diff --git a/src/components/auth/SignIn.jsx b/src/components/auth/SignIn.jsx
index 80b7f83..bca8731 100644
--- a/src/components/auth/SignIn.jsx
+++ b/src/components/auth/SignIn.jsx
@@ -1,12 +1,252 @@
 import React, { Component } from 'react';
 
+import { FormattedMessage as Message } from 'react-intl';
+import classNames from 'classnames';
+
+import buttons from 'components/ui/buttons.scss';
+import icons from 'components/ui/icons.scss';
+import { Panel, PanelHeader, PanelBody, PanelFooter } from 'components/ui/Panel';
+import { Input } from 'components/ui/Form';
+
+import styles from './signIn.scss';
+import messages from './SignIn.messages';
+
+
+import panel from 'components/ui/panel.scss';
+styles.headerControl = panel.headerControl;
+
 // 0.5s cubic-bezier(0.075, 0.82, 0.165, 1)
 
+/**
+ * Forms:
+ * Register
+ * - RegisterForm
+ * - ConfirmRegister
+ *
+ * SignIn
+ * - Email
+ * - Password
+ * - Permissions
+ */
+
 export default class SignIn extends Component {
+    displayName = 'SignIn';
+
     render() {
         return (
             <div>
-                Hello World
+                <div className={styles.signIn}>
+                    <Panel title={<Message {...messages.signInTitle} />}>
+                        <PanelBody>
+                            <Input icon="envelope" type="email" placeholder="E-mail" />
+                        </PanelBody>
+                        <PanelFooter>
+                            <button className={buttons.green}>
+                                <Message {...messages.next} />
+                            </button>
+                        </PanelFooter>
+                    </Panel>
+                    <div className={styles.helpLinks}>
+                        <a href="#">
+                            <Message {...messages.forgotPassword} />
+                        </a>
+                        {' | '}
+                        <a href="#">
+                            <Message {...messages.contactSupport} />
+                        </a>
+                    </div>
+                </div>
+                <div className={styles.signIn}>
+                    <Panel>
+                        <PanelHeader>
+                            <div className={styles.headerControl}>
+                                <button className={buttons.black}>
+                                    <span className={icons.arrowLeft} />
+                                </button>
+                            </div>
+                            <Message {...messages.enterPassword} />
+                        </PanelHeader>
+                        <PanelBody>
+                            <div className={styles.error}>
+                                <Message {...messages.invalidPassword} />
+                                <br/>
+                                <Message {...messages.suggestResetPassword} values={{
+                                    link: (
+                                        <a href="#">
+                                            <Message {...messages.forgotYourPassword} />
+                                        </a>
+                                    )
+                                }} />
+                            </div>
+                            <div className={styles.miniProfile}>
+                                <div className={styles.avatar}>
+                                    <img src="//lorempixel.com/g/90/90" />
+                                </div>
+                                <div className={styles.email}>
+                                    erickskrauch@yandex.ru
+                                </div>
+                            </div>
+                            <div className={styles.formIconRow}>
+                                <Input icon="key" type="password" placeholder="Account password" />
+                            </div>
+
+                            <div className={styles.checkboxRow}>
+                                <label>
+                                    <input type="checkbox" />
+                                    <Message {...messages.rememberMe} />
+                                </label>
+                            </div>
+                        </PanelBody>
+                        <PanelFooter>
+                            <button className={buttons.green}>
+                                <Message {...messages.signInButton} />
+                            </button>
+                        </PanelFooter>
+                    </Panel>
+                    <div className={styles.helpLinks}>
+                        <a href="#">
+                            <Message {...messages.forgotPassword} />
+                        </a>
+                        {' | '}
+                        <a href="#">
+                            <Message {...messages.contactSupport} />
+                        </a>
+                    </div>
+                </div>
+                <div className={styles.signIn}>
+                    <Panel title={<Message {...messages.permissionsTitle} />}>
+                        <PanelBody>
+                            <div className={styles.authInfo}>
+                                <div className={styles.avatar}>
+                                    <img src="//lorempixel.com/g/90/90" />
+                                </div>
+                                <div className={styles.email}>
+                                    <Message {...messages.youAuthorizedAs} />
+                                </div>
+                                <div className={styles.email}>
+                                    erickskrauch@yandex.ru
+                                </div>
+                            </div>
+                            <div className={styles.disclaimer}>
+                                <Message {...messages.theAppNeedsAccess} />
+                            </div>
+                            <ul className={styles.permissionsList}>
+                                <li>
+                                    one two three
+                                </li>
+                                <li>
+                                    one two three
+                                </li>
+                                <li>
+                                    one two three
+                                </li>
+                                <li>
+                                    one two three
+                                </li>
+                            </ul>
+                        </PanelBody>
+                        <PanelFooter>
+                            <button className={classNames(buttons.black, styles.decline)}>
+                                <Message {...messages.decline} />
+                            </button>
+                            <button className={buttons.green}>
+                                <Message {...messages.approve} />
+                            </button>
+                        </PanelFooter>
+                    </Panel>
+                    <div className={styles.helpLinks}>
+                        <a href="#">
+                            <Message {...messages.contactSupport} />
+                        </a>
+                    </div>
+                </div>
+                <div className={styles.signIn}>
+                    <Panel title={<Message {...messages.signUpTitle} />}>
+                        <PanelBody>
+                            <div className={styles.formIconRow}>
+                                {/* TODO: E-mail i18n*/}
+                                <Input icon="user" type="text" placeholder="Your nickname" />
+                            </div>
+                            <div className={styles.formIconRow}>
+                                {/* TODO: E-mail i18n*/}
+                                <Input icon="envelope" type="email" placeholder="Your E-mail" />
+                            </div>
+                            <div className={styles.formIconRow}>
+                                {/* TODO: Account password i18n*/}
+                                <Input icon="key" type="password" placeholder="Account password" />
+                            </div>
+                            <div className={styles.formIconRow}>
+                                {/* TODO: Account password i18n*/}
+                                <Input icon="key" type="password" placeholder="Repeat password" />
+                            </div>
+
+                            <div className={styles.checkboxRow}>
+                                <label>
+                                    <input type="checkbox" />
+                                    <Message {...messages.acceptRules} values={{
+                                        link: (
+                                            <a href="#">
+                                                <Message {...messages.termsOfService} />
+                                            </a>
+                                        )
+                                    }} />
+                                </label>
+                            </div>
+                        </PanelBody>
+                        <PanelFooter>
+                            <button className={buttons.blue}>
+                                <Message {...messages.signUpButton} />
+                            </button>
+                        </PanelFooter>
+                    </Panel>
+                    <div className={styles.helpLinks}>
+                        <a href="#">
+                            <Message {...messages.contactSupport} />
+                        </a>
+                    </div>
+                </div>
+                <div className={styles.signIn}>
+                    <Panel>
+                        <PanelHeader>
+                            <div className={styles.headerControl}>
+                                <button className={buttons.black}>
+                                    <span className={icons.arrowLeft} />
+                                </button>
+                            </div>
+                            <Message {...messages.accountActivationTitle} />
+                        </PanelHeader>
+                        <PanelBody>
+                            <div className={styles.description}>
+                                <div className={styles.descriptionImage}>
+                                    <span className={icons.envelope} />
+                                </div>
+                                <div className={styles.descriptionText}>
+                                    <Message {...messages.activationMailWasSent} values={{
+                                        email: (<b>erickskrauch@yandex.ru</b>)
+                                    }} />
+                                </div>
+                            </div>
+                            <div className={styles.formRow}>
+                                {/* TODO: E-mail i18n*/}
+                                <Input type="email" placeholder="Enter the code from E-mail here" />
+                            </div>
+                        </PanelBody>
+                        <PanelFooter>
+                            <button className={buttons.blue}>
+                                <Message {...messages.confirmEmail} />
+                            </button>
+                        </PanelFooter>
+                    </Panel>
+                    <div className={styles.helpLinks}>
+                        <a href="#">
+                            <Message {...messages.didNotReceivedEmail} />
+                        </a>
+                        {' | '}
+                        <a href="#">
+                            <Message {...messages.contactSupport} />
+                        </a>
+                    </div>
+                </div>
             </div>
         );
     }
diff --git a/src/components/auth/SignIn.messages.js b/src/components/auth/SignIn.messages.js
new file mode 100644
index 0000000..6fe44d3
--- /dev/null
+++ b/src/components/auth/SignIn.messages.js
@@ -0,0 +1,124 @@
+import { defineMessages } from 'react-intl';
+
+export default defineMessages({
+    signInTitle: {
+        id: 'signInTitle',
+        defaultMessage: 'Sign in'
+    },
+
+    next: {
+        id: 'next',
+        defaultMessage: 'Next'
+    },
+
+    enterPassword: {
+        id: 'enterPassword',
+        defaultMessage: 'Enter password'
+    },
+
+    rememberMe: {
+        id: 'rememberMe',
+        defaultMessage: 'Remember me on this device'
+    },
+
+    signInButton: {
+        id: 'signInButton',
+        defaultMessage: 'Sign in'
+    },
+
+    invalidPassword: {
+        id: 'invalidPassword',
+        defaultMessage: 'You entered wrong account password.'
+    },
+
+    suggestResetPassword: {
+        id: 'suggestResetPassword',
+        defaultMessage: 'Are you have {link}?'
+    },
+
+    forgotYourPassword: {
+        id: 'forgotYourPassword',
+        defaultMessage: 'forgot your password'
+    },
+
+    forgotPassword: {
+        id: 'forgotPassword',
+        defaultMessage: 'Forgot password'
+    },
+
+    contactSupport: {
+        id: 'contactSupport',
+        defaultMessage: 'Contact support'
+    },
+
+
+
+    permissionsTitle: {
+        id: 'permissionsTitle',
+        defaultMessage: 'Application permissions'
+    },
+
+    youAuthorizedAs: {
+        id: 'youAuthorizedAs',
+        defaultMessage: 'You authorized as:'
+    },
+
+    theAppNeedsAccess: {
+        id: 'theAppNeedsAccess',
+        defaultMessage: 'This applications needs access to your data'
+    },
+
+    decline: {
+        id: 'decline',
+        defaultMessage: 'Decline'
+    },
+
+    approve: {
+        id: 'approve',
+        defaultMessage: 'Approve'
+    },
+
+
+
+    signUpTitle: {
+        id: 'signUpTitle',
+        defaultMessage: 'Sign Up'
+    },
+
+    signUpButton: {
+        id: 'signUpButton',
+        defaultMessage: 'Register'
+    },
+
+    acceptRules: {
+        id: 'acceptRules',
+        defaultMessage: 'I agree with {link}'
+    },
+
+    termsOfService: {
+        id: 'termsOfService',
+        defaultMessage: 'Terms of service'
+    },
+
+
+
+    accountActivationTitle: {
+        id: 'accountActivationTitle',
+        defaultMessage: 'Account activation'
+    },
+
+    activationMailWasSent: {
+        id: 'activationMailWasSent',
+        defaultMessage: 'Please check {email} for the message with the last registration step'
+    },
+
+    confirmEmail: {
+        id: 'confirmEmail',
+        defaultMessage: 'Confirm E-mail'
+    },
+
+    didNotReceivedEmail: {
+        id: 'didNotReceivedEmail',
+        defaultMessage: 'Did not received E-mail?'
+    },
+});
diff --git a/src/components/auth/signIn.scss b/src/components/auth/signIn.scss
new file mode 100644
index 0000000..afefafb
--- /dev/null
+++ b/src/components/auth/signIn.scss
@@ -0,0 +1,31 @@
+@import '~components/ui/colors.scss';
+
+.signIn {
+    margin-bottom: 10px;
+}
+
+.decline {
+    border-top: 1px solid lighter($black);
+    width: 42%;
+    flex-grow: 0;
+}
+
+.helpLinks {
+    margin: 8px 0;
+
+    color: #444;
+    text-align: center;
+    font-size: 16px;
+
+    a {
+        color: #444;
+        border-bottom: 1px dotted #444;
+        text-decoration: none;
+        transition: .25s;
+
+        &:hover {
+            border-bottom-color: #777;
+            color: #777;
+        }
+    }
+}
diff --git a/src/components/ui/Form.jsx b/src/components/ui/Form.jsx
new file mode 100644
index 0000000..0bf7d05
--- /dev/null
+++ b/src/components/ui/Form.jsx
@@ -0,0 +1,29 @@
+import React from 'react';
+
+import classNames from 'classnames';
+
+import icons from './icons.scss';
+import styles from './form.scss';
+
+export function Input(props) {
+    props = {
+        type: 'text',
+        ...props
+    };
+
+    var baseClass = styles.formRow;
+    var icon;
+    if (props.icon) {
+        baseClass = styles.formIconRow;
+        icon = (
+            <div className={classNames(styles.formFieldIcon, icons[props.icon])} />
+        );
+    }
+
+    return (
+        <div className={baseClass}>
+            <input className={styles.textField} {...props} />
+            {icon}
+        </div>
+    );
+}
diff --git a/src/components/ui/Panel.jsx b/src/components/ui/Panel.jsx
new file mode 100644
index 0000000..955a7a4
--- /dev/null
+++ b/src/components/ui/Panel.jsx
@@ -0,0 +1,47 @@
+import React from 'react';
+
+import styles from './panel.scss';
+
+export function Panel(props) {
+    var { title } = props;
+
+    if (title) {
+        title = (
+            <PanelHeader>
+                {title}
+            </PanelHeader>
+        );
+    }
+
+    return (
+        <div className={styles.panel}>
+            {title}
+
+            {props.children}
+        </div>
+    );
+}
+
+export function PanelHeader(props) {
+    return (
+        <div className={styles.header}>
+            {props.children}
+        </div>
+    );
+}
+
+export function PanelBody(props) {
+    return (
+        <div className={styles.body}>
+            {props.children}
+        </div>
+    );
+}
+
+export function PanelFooter(props) {
+    return (
+        <div className={styles.footer}>
+            {props.children}
+        </div>
+    );
+}
diff --git a/src/components/ui/buttons.scss b/src/components/ui/buttons.scss
index 3cdbb33..f89c346 100644
--- a/src/components/ui/buttons.scss
+++ b/src/components/ui/buttons.scss
@@ -21,16 +21,20 @@
     }
 }
 
-.button {
+.button,
+.black {
     display: inline-block;
+    box-sizing: border-box;
     height: 50px;
     padding: 0 15px;
+    border: none;
 
     font-family: $font-family-title;
     color: $defaultButtonTextColor;
     font-size: 18px;
     line-height: 50px;
     text-decoration: none;
+    cursor: pointer;
 
     transition: background-color 0.25s;
 
@@ -46,3 +50,4 @@
 }
 
 @include button-color('blue', $blue);
+@include button-color('green', $green);
diff --git a/src/components/ui/form.scss b/src/components/ui/form.scss
new file mode 100644
index 0000000..800b1ca
--- /dev/null
+++ b/src/components/ui/form.scss
@@ -0,0 +1,76 @@
+@import '~components/ui/colors.scss';
+@import '~components/ui/fonts.scss';
+
+.formRow {
+    position: relative;
+    height: 50px;
+    max-width: 100%;
+    margin: 10px 0;
+}
+
+.formIconRow {
+    composes: formRow;
+
+    .textField {
+        padding-left: 60px;
+    }
+}
+
+.textField {
+    box-sizing: border-box;
+    position: absolute;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    height: 50px;
+    width: 100%;
+
+    border: 2px solid lighter($black);
+    background: $black;
+
+    font-size: 20px;
+    color: #aaa;
+    font-family: $font-family-base;
+    padding: 0 10px;
+
+    transition: border-color .25s;
+
+    &::placeholder {
+        opacity: 1;
+        color: #444;
+    }
+
+    &:hover {
+        border-color: #aaa;
+
+        ~ .formFieldIcon {
+            border-color: #aaa;
+        }
+    }
+
+    &:focus {
+        border-color: $green;
+        color: #fff;
+
+        ~ .formFieldIcon {
+            background: $green;
+            border-color: $green;
+            color: #fff;
+        }
+    }
+}
+
+
+.formFieldIcon {
+    box-sizing: border-box;
+    position: absolute;
+    height: 50px;
+    width: 50px;
+    line-height: 46px;
+    text-align: center;
+    border: 2px solid lighter($black);
+    color: #444;
+
+    transition: border-color .25s;
+}
diff --git a/src/components/ui/panel.scss b/src/components/ui/panel.scss
new file mode 100644
index 0000000..70a234a
--- /dev/null
+++ b/src/components/ui/panel.scss
@@ -0,0 +1,56 @@
+@import '~components/ui/colors.scss';
+@import '~components/ui/fonts.scss';
+
+.panel {
+    background: $black;
+}
+
+.header {
+    box-sizing: border-box;
+    height: 50px;
+    border-bottom: 1px solid lighter($black);
+
+    font-family: $font-family-title;
+    text-align: center;
+    line-height: 48px;
+    font-size: 20px;
+    color: #fff;
+}
+
+.headerControl {
+    float: left;
+    line-height: 1;
+    border-right: 1px solid lighter($black);
+    overflow: hidden;
+    height: 49px;
+}
+
+.body {
+    padding: 15px;
+    color: #ccc;
+    font-size: 18px;
+
+    b {
+        color: #fff;
+    }
+
+    a {
+        color: #fff;
+        border-bottom: 1px dotted #ede9e2;
+        text-decoration: none;
+        transition: .25s;
+
+        &:hover {
+            border-bottom-color: #ccc;
+            color: #ccc;
+        }
+    }
+}
+
+.footer {
+    display: flex;
+
+    > * {
+        flex-grow: 1;
+    }
+}
diff --git a/src/icons.css.hbs b/src/icons.css.hbs
index 8867089..1ae51ba 100644
--- a/src/icons.css.hbs
+++ b/src/icons.css.hbs
@@ -5,13 +5,17 @@
 
 .{{baseClass}} {
 	line-height: 1;
+    vertical-align: middle;
+    display: inline-block;
+    speak: none;
+    -webkit-font-smoothing: antialiased;
+    -moz-osx-font-smoothing: grayscale;
 }
 
 .{{baseClass}}:before {
 	font-family: {{fontName}} !important;
 	font-style: normal;
 	font-weight: normal !important;
-	vertical-align: top;
 }
 
 {{#each codepoints}}
diff --git a/src/index.scss b/src/index.scss
index 440b50f..0e471b0 100644
--- a/src/index.scss
+++ b/src/index.scss
@@ -1,3 +1,6 @@
+@import '~components/ui/colors.scss';
+@import '~components/ui/fonts.scss';
+
 html,
 body,
 :global(.app) {
@@ -6,6 +9,11 @@ body,
     padding: 0;
 }
 
+body {
+    font-family: $font-family-base;
+    background: $light;
+}
+
 a {
     text-decoration: none;
 }
diff --git a/src/pages/auth/auth.scss b/src/pages/auth/auth.scss
index c818c25..a403a1c 100644
--- a/src/pages/auth/auth.scss
+++ b/src/pages/auth/auth.scss
@@ -2,7 +2,7 @@
 
 .sidebar {
     position: absolute;
-    top: 0;
+    top: 50px;
     bottom: 0;
     left: 0;
     width: 300px;
@@ -12,4 +12,5 @@
 
 .content {
     margin-left: 300px;
+    padding: 55px 50px;
 }
diff --git a/src/pages/root/root.scss b/src/pages/root/root.scss
index 16905c7..e3d3a86 100644
--- a/src/pages/root/root.scss
+++ b/src/pages/root/root.scss
@@ -2,8 +2,7 @@
 @import '~components/ui/fonts.scss';
 
 .root {
-    background: $light;
-    min-height: 100%;
+    height: 100%;
 }
 
 .wrapper {
@@ -12,6 +11,7 @@
 }
 
 .header {
+    position: relative;
     height: 50px;
     background: $green;
 }
@@ -33,25 +33,13 @@
 
 .body {
     composes: wrapper;
-    position: absolute;
-    top: 50px;
-    left: 0;
-    right: 0;
-    bottom: 0;
-}
+    position: relative;
 
-.sidebar {
-    position: absolute;
-    top: 0;
-    bottom: 0;
-    left: 0;
-    width: 300px;
-
-    background: $black;
-}
-
-.content {
-    margin-left: 300px;
+    // place for header
+    min-height: 100%;
+    box-sizing: border-box;
+    padding-top: 50px;
+    margin-top: -50px;
 }
 
 .userbar {