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HTML

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HTML preprocessors can make writing HTML more powerful or convenient. For instance, Markdown is designed to be easier to write and read for text documents and you could write a loop in Pug.

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Adding Classes

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Insecure Resource

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CSS

About CSS Preprocessors

CSS preprocessors help make authoring CSS easier. All of them offer things like variables and mixins to provide convenient abstractions.

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CSS Base

About CSS Base

It's a common practice to apply CSS to a page that styles elements such that they are consistent across all browsers. We offer two of the most popular choices: normalize.css and a reset. Or, choose Neither and nothing will be applied.

Vendor Prefixing

About Vendor Prefixing

To get the best cross-browser support, it is a common practice to apply vendor prefixes to CSS properties and values that require them to work. For instance -webkit- or -moz-.

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JavaScript

About JavaScript Preprocessors

JavaScript preprocessors can help make authoring JavaScript easier and more convenient.

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Babel includes JSX processing.

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You can apply a script from anywhere on the web to your Pen. Just put a URL to it here and we'll add it, in the order you have them, before the JavaScript in the Pen itself.

If the script you link to has the file extension of a preprocessor, we'll attempt to process it before applying.

You can also link to another Pen here, and we'll pull the JavaScript from that Pen and include it. If it's using a matching preprocessor, we'll combine the code before preprocessing, so you can use the linked Pen as a true dependency.

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Packages

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HTML 

              
                <!--

Still a work in progress! Only just began learning the in and outs of the CSS that builds CodePen after becoming a full-time Pro user so still experimenting! 

Pro User? You can easily use this theme by forking it and copying the forked URL in to your theme settings on your profile. You can also change the colours and animated background image by changing the variables set in the CSS. They're at the top for convenience and, well, obvious common sense :D


Next Updates: 

- Make the profile header responsive.
- Create new layout.
- Edit tags.

-->

<iframe src="https://codepen.io/JMDUK" frameborder="0"></iframe>
!

CSS 

              
                /*
  
  CodePen Theme: Nightly
  Author       : James Martin-Davies
  License      : LOL, license a CodePen Theme?! No!
  
  Go Crazy, use it!

*/

/*
  THEME SETTINGS
*/

// Main Colour
$mainCol: #63405B;
// Darker Colour
$baseCol: #362543;
// Secondary Main Colour
$midCol : #2E536B;
// Secondary Darker Colour
$darkCol: #21273A;
// Text Colour
$textCol: #333333;
// Body Background
$body-bg: #ffffff;
// Pro Badge Colours
$badgeProColor: #CC333F;
// Hire Me Badge Colours
$badgeHireColor: #004ECC;
// "This User Follows You" Badge Colour
$badgeFollowsColor: #444444;

// Animated Profile Header Image:
$headerImage: 'http://jan.imghost.us/2Bm5.jpg';

// Animations
@mixin animation ($type, $duration) {
  -webkit-transition: $type $duration cubic-bezier(0.450, 0.120, 0.505, 0.925); 
  -moz-transition: $type $duration cubic-bezier(0.450, 0.120, 0.505, 0.925); 
  -o-transition: $type $duration cubic-bezier(0.450, 0.120, 0.505, 0.925); 
  transition: $type $duration cubic-bezier(0.450, 0.120, 0.505, 0.925);
}

///////////////////

// Preview iframe
iframe {
  position:absolute;
  width: 100%;
  height: 100%;
}

body {
  background:$body-bg;
}

// Give those tags a shade! 
@for $i from 1 through 50 {
  .tag-grid > li:nth-child(#{$i}) > a, 
  .narrow-tag-grid > li:nth-child(#{$i}) > a {
  		  background: lighten($baseCol , $i);
  }

  .tag-grid > li:nth-child(#{$i}) > a:hover, 
  .narrow-tag-grid > li:nth-child(#{$i}) > a:hover {
  
  		background: lighten($mainCol , $i);
  @include animation(all, 75ms);
  }
}

.tag-grid > li {
  background:$darkCol;
}

.tag-grid > li > a, 
.narrow-tag-grid > li > a {
  border-radius:0 !important;
}

.tag-grid > li > a > span, 
.narrow-tag-grid > li > a > span {
  background:$darkCol;
  border-left:solid 1px $midCol;
  border-radius:0 !important;
  top:0;
  right:0;
  height:26px;
  width:26px;
  font-size:100%;
  line-height:1.93em;
  font-weight:300;
}

// Header Style!
.main-header {
  background:$mainCol;
  border-bottom:solid 5px $baseCol;
  
  .logo a {
    background:none;
    background-image:url(https://blog.codepen.io/wp-content/uploads/2012/06/White-Large.png);
    background-size:cover;
    background-repeat:none;
    background-position:0 87px;
  }
  
  .top-button {
    background:$mainCol;
    padding:0;
    margin:0;
    line-height:1;
    border-radius:0;
    border:none;
    height:62px;
    padding:0 20px;
    margin-left:20px;
    color:#fff !important;
    line-height:62px;
    box-shadow: 0 0 0 4px $mainCol,
                0 -10px 0 10px rgba(0,0,0,0.2);
    @include animation(all, 100ms);
    
    &:hover {
      background:$baseCol !important;
      -webkit-transform:scale(0.86);
      box-shadow: 0 0 0 4px $baseCol,
                  0 -3px 0 6px rgba(0,0,0,0.1);
    }
  }
  
  .icon, [data-icon]:before, .activity:before {
    color:#fff;
   }
  
  .logged-in-user-stuff {
    height:62px;
  }
  
  .dropdown {
    background:none;
    box-shadow:none;
    border:none;
    top:0%;
    
    background:$mainCol;
    top:62px;
    margin: -1px -5px 0 0;
    border:solid 1px $baseCol;
    
    li.sep-after {
      border-bottom: 1px solid $baseCol;
      padding-bottom: 5px;
    }
    
    li a:hover, 
    .dropdown li a:active {
      background:none; 
      background:$baseCol;
      @include animation(all, 300ms);
    }
    
  }
  
}

// Profile Header :)
.profile-header {
  background:none;
  box-shadow:none;
  background-image:url($headerImage);
  @include animation(all, 30s);
  -webkit-animation: bgEffect;
	  animation-name: bgEffect;
  -webkit-animation-iteration-count: infinite;
  	-webkit-animation-duration: 36.5s;
  	-webkit-animation-fill-mode: both;
  -webkit-animation-delay:5s;
}

.profile-avatar {
  width:130px !important;
  height:auto !important;
  margin: 5px !important;
  border-radius: 50%;
}

.avatar-wrap {
  width: 0;
  margin-right: 172px;
}

#profile-name-header {
  -webkit-text-fill-color: #fff;
  color:#fff;
  font-weight:400;
  padding:0 0 10px 0;
}

#mini-profile-gravatar {
  border-radius:50%;
}

.follow-block > strong {
  color: #fff;
  font-size: 1.5rem;
  font-weight:300;
}

#profile-location {
  color:#fff !important;
}

.badge-pro, 
.badge-hire, 
.badge-follows {
  color:#fff !important;
  font-weight:300;
  font-size:12px !important;
  padding:3px 8px;
  @include animation(all, 300ms);
  
    &:hover {
      background:$baseCol;
    }
}

.badge-pro {
  background:$badgeProColor;
  
  &:hover {
    background:darken($badgeProColor, 10%);
  }
  
  &:before {
    content:"I'm ";
  }
  
  &:after {
    content:"fessional ★";
  }
}

.badge-hire {
  background:$badgeHireColor;
  
  &:hover {
    background:darken($badgeHireColor, 10%);
  }
}

.badge-follows {
  background:$badgeFollowsColor;
  
  &:hover {
    background:darken($badgeFollowsColor, 10%);
  } 
}

.profile-follow a {
  color:#fff;
}

@-webkit-keyframes bgEffect {
  0%, 100% {
  }
  50% {
    background-position:50% 75%;
  }
}

@-moz-keyframes bgEffect {
  0%, 100% {
  }
  50% {
    background-position:50% 75%;
  }
}

@-ms-keyframes bgEffect {
  0%, 100% {
  }
  50% {
    background-position:50% 75%;
  }
}

@-o-keyframes bgEffect {
  0%, 100% {
  }
  50% {
    background-position:50% 75%;
  }
}

@keyframes bgEffect {
  0%, 100% {
  }
  50% {
    background-position:50% 75%;
  }
}

// General Layout Stuff!
.view-switcher .button {
  background:none;
  border:none;
  border-radius:0;
  font-weight:normal;
  font-size:14px;
  background:$mainCol !important;
  @include animation(all, 300ms);
}

.button:hover {
    text-shadow:0;
    background:$baseCol !important;
  }

.explore-tabs {
  border:none;
  box-shadow:none;
}

.profile-grid a {
  color:#8e8e8e;
  font-size:12px;
}

.profile-grid a.active {
  color:#333;
} 

.module {
  background:none;
}

.module, 
.tag-grid > li > a:before, 
.narrow-tag-grid > li > a:before {
  box-shadow:none;
}

#profile-search {
  padding:0;
  
  .search-input {
    width:100%;
    border-radius:0 !important;
    border:solid 10px rgba(0,0,0,0.05);
    background:#ccc;
    color:#333;
    padding:20px;
    font-size:24px;
    font-family: 'Gotham SSm A', 'Gotham SSm B';
    font-weight:300;
    margin-top:57px;
    @include animation(all, 300ms);
    
    &:focus {
      background:$baseCol;
      color:#fff;
    }
  }
}

// The Pens :)

.single-pen {
  border:solid 1px #eee;
}

.meta {
  background:$mainCol !important;
  min-height:40px;
}

.meta .stats {
  line-height:3.33em;
}

.meta .stats .single-stat {
  background:none;
  border:none !important;
  color:#fff;
  font-size:14px !important;
  font-weight:300;
  @include animation(all, 300ms);
  &:hover {
        background: $baseCol;
  }
  
  &:last-of-type {
    padding-right:20px;
  }
  
  &:first-of-type {
    padding-right:10px;
  }
  
  &:nth-child(2) {
    padding:0 10px;
  }
}

.meta-icon, .meta .stats .loves .icon-heart, .meta .stats .comments:after, .meta .stats .views:after {
  color:#fff;
}

.iframe-wrap > .meta-overlay {
  background:$baseCol;
  opacity:0;
  @include animation(all, 300ms);
}

.iframe-wrap:hover > .meta-overlay {
  background:$baseCol;
  opacity:1;
  @include animation(all, 300ms);
}

.iframe-wrap > .meta-overlay h2 {
  color:#fff;
}

.context-menu > .icon {
  background:$darkCol !important;
}
.context-menu ul {
  opacity:0;
}

.context-menu ul {
  background:$darkCol;
  opacity:1;
  @include animation(all, 740ms);
}

.context-menu ul a:hover, .context-menu ul a:active {
  background:$mainCol;
  color:#fff !important;
}

// Right Sidebar Tabs 
.explore-tabs a.active {
  font-weight:bold;
  display: inline-block;
  position: relative;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  -webkit-transform: translateZ(0);
  -ms-transform: translateZ(0);
  transform: translateZ(0);
  box-shadow: 0 0 1px rgba(0, 0, 0, 0);
  background:$mainCol;
  color:#fff;
  -webkit-transition-duration: 0.3s;
  transition-duration: 0.3s;
  -webkit-transition-property: bottom;
  transition-property: bottom;
  @include animation(all, 300ms);
  
  &:before {
    pointer-events: none;
    position: absolute;
    z-index: -1;
    content: '';
    border-style: solid;
    opacity:1;
    @include animation(all, 300ms);
    left: -webkit-calc(50% - 10px);
    left: calc(50% - 10px);
    bottom: -10px;
    border-width: 10px 10px 0 10px;
    border-color: $mainCol transparent transparent transparent;
  }
}

.explore-tabs a {
  @include animation(all, 300ms);
}

.explore-tabs a:hover {
  color:#333;
  @include animation(all, 300ms);
}

.explore-tabs a.active:hover {
  color:#fff;
}

#profile-grid .explore-tabs {
  padding:10px 0;
}

.site-footer {
  background:$mainCol;
  color:#fff;
  border:none;
  box-shadow:none;
  border-top:solid 1px $baseCol;
  text-transform:uppercase;
  line-height:2.68em;
  
  a {
    @include animation(all, 175ms);
  }
}
!

JS
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