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HTML

            
              <header id="site-header">
  <h1>Adam Dehnel</h1>
  <div>father, developer, cook and woodworker</div>
</header>
<nav class="nav-main">
  <a href="#home" class="home" data-section-id="home">
    Home
  </a>
  <a href="#web" class="web active" data-section-id="web">
    Web
  </a>
  <a href="#food" class="food" data-section-id="food">
    Food 
  </a> 
  <a href="#wood" class="wood" data-section-id="wood">
    Wood
  </a>
  <a href="#about" class="about" data-section-id="about"> 
    About 
  </a>
  <a href="#secured" class="secured" data-section-id="secured">
    Secured
  </a>
</nav>
<main class="web nav-sub-exists">
  <nav class="nav-sub">
    <a href="#">Something else</a><a href="#">Something  else</a><a href="#">Something else</a><a href="#">Something else</a><a href="#" class="nav-sub-pull">&#9655;</a>
  </nav>
  <div class="content grid">
    <section class="blog col-2-3">
      <article class="entry">
        <h1>Developing My First Responsive Site</h1>
        <p>Below is the story of me developing my first fully-responsive site (this one).  All the learnings, trials and general thoughts regarding it.</p>
        <h2>Starting From Scratch</h4>
        <p>I started from scratch. Not just where you have some guides but no colors or something &mdash; completely from scratch.</p> 
      <nav class="nav-blog cf">
        <a href="#">&larr; Previous Entry<span>(Becoming a Front-End Developer)</span></a>
        <a href="#">Blog Archives</a>
        <a href="#">Next Entry &rarr;</a>
      </nav>
    </section>
    <aside class="col-1-3 social-media social-media-github">
      <header>
        <a href="#" class="cf">
          <h2 class="social-site">www.twitter.com</h2>
          <img src="https://g.twimg.com/Twitter_logo_blue.png" />
          <span class="social-username">@arsdehnel_wdwrk</span>
        </a>
      </header>
      <article class="entry">
        <h3 class="entry-label">12/01/13 12:17PM</h3>
        <div class="entry-content">apple dumplings, biscuits and homemade gravy.  all before 9 am. 
  #winning</div>
      </article>
      <article class="entry">
        <h3 class="entry-label">11/29/13 4:45AM</h3>
        <div class="entry-content">apple dumplings, biscuits and homemade gravy.  all before 9 am. 
  #winning</div>
      </article>
      <article class="entry entry-more">
        <a href="#">more&rarr;</a>
      </article>
      <header>
        <a href="#" class="cf">
          <h2 class="social-site">www.github.com</h2>
          <img src="http://www.iconsdb.com/icons/preview/caribbean-blue/github-11-xxl.png" />
          <span class="social-username">arsdehnel</span>
        </a>
      </header>
      <article class="entry">
        <h3 class="entry-label">arsdehnel.net</h3>
        <div class="entry-content">the repo for this site</div>
      </article>
    </aside>
  </div>
</main>
<link href='https://fonts.googleapis.com/css?family=Montserrat+Subrayada:400,700' rel='stylesheet' type='text/css'>
!

CSS

            
              @import "compass/css3";

@mixin breakpoint($point) {
  @if $point == papa-bear {
    @media (min-width: 1150px) { @content; }
  }
  @else if $point == mama-bear {
    @media (min-width: 600px) { @content; }
  }
  @else if $point == baby-bear {
    @media (max-width: 599px)  { @content; }
  }
}

/* ---------------------------------------------
     variables
--------------------------------------------- */
$home_color:    #a2450d; 
$web_color:     #4e033b; 
$food_color:    #328b0c;
$wood_color:    #692a04;
$about_color:   #11386a;
$secured_color: #555555;


/* --------------------------------------------- 
     reset/setup
--------------------------------------------- */
*, *::after, *::before {
  box-sizing: border-box;
}

/* --------------------------------------------- 
     main layout
--------------------------------------------- */
body{ 
  padding: 0;
  margin: 0;
  font-family: arial; 
  background: slategrey;
  @include breakpoint(mama-bear) { padding: 5px 20px; }
}
main { 
  background: white;
	display: block;
	padding: 1em;
  position: relative;
  top: 40px;
  @include breakpoint( mama-bear ){
  	margin: -8px -10px 10px -15px;
  	border-radius: 3px;
    border: 3px solid white;
  }
  &.home{
    box-shadow: inset 0 0 8px $home_color;
    background: tint( $home_color, 90% );
  }
  &.web{
    box-shadow: inset 0 0 8px $web_color;
    background: tint( $web_color, 90% );
  } 
  &.food{
    box-shadow: inset 0 0 8px $food_color;
    background: tint( $food_color, 90% );
  }
  &.wood{
    box-shadow: inset 0 0 8px $wood_color;
    background: tint( $wood_color, 90% ); 
  }
  &.about{
    box-shadow: inset 0 0 8px $about_color;
    background: tint( $about_color, 90% );
  }
  &.secured{
    box-shadow: inset 0 0 8px $secured_color;
    background: tint( $secured_color, 90% );
  }
}

/* ---------------------------------------------
     header
--------------------------------------------- */
#site-header{
  color: #444;
  margin: 0;
  position: relative;
  padding: 4px;
  width: 90%;
  float: right;
  padding: 4px 0 18px;
  border-radius: 6px;
  z-index: 0;
  white-space: nowrap;
  *{
    display: inline-block;
    padding: 8px 4px 0;
    @include breakpoint( mama-bear ){
      padding: 6px 3px 0;
    }
    @include breakpoint( papa-bear ){
      padding: 0 6px 0 22px;
    }
  }
  &::before{
    content: ''; // To generate the box 
    position: absolute;
    top: 6px; 
    right: -20px; 
    bottom: 12px; 
    left: 0;
    z-index: -1;
    border-bottom: none;
    border-radius: 10px 0 0 10px;
    box-shadow: 0 2px hsla(0,0%,100%,.5) inset;
    transform: translateZ(0) perspective(40px) rotateX(-2deg);
    transform-origin: bottom right;
    background: lightblue;
  }
  &::after{
    content: ' ';
    display: table;
    clear: both;
  }
  @include breakpoint( papa-bear ){ 
    width: 50%;
    *{ 
      display: block;
    }
  }
  h1{
    margin: 0;
    font-family: "Montserrat Subrayada", arial, sans-serif;
    color: black;
    text-decoration: none;
    font-size: 13px;
    @include breakpoint( mama-bear ){ 
      font-size: 28px;
    }
    @include breakpoint( papa-bear ){ 
      font-size: 36px;
    }    
  }
  div{
    font-size: 10px;
    @include breakpoint( mama-bear ){
      font-size: 13px;
    }
  }
}


/* ---------------------------------------------
     navigation

     originated from http://lea.verou.me/2013/10/slanted-tabs-with-css-3d-transforms/
--------------------------------------------- */
.nav-main {
  overflow: hidden;
  position: relative;
  min-height: 25px;
  top: 43px;
  white-space: nowrap;
  z-index: 1;
  overflow: visible;
  &::after { 
    content: "☰"; /* "Three Line Menu Navicon" shows up */
    position: absolute;
    top: 1px;
    right: 10px;
    z-index: 2;
    pointer-events: none;
    color: white;
    @include breakpoint( mama-bear ){
      display: none;
    }
  }
  a {
    display: block;
    font-family: "Montserrat Subrayada", arial, sans-serif;
    color: #444;
    text-decoration: none; 
    position: absolute; 
    top: 0;
    left: 0;
    width: 100%;
    height: 25px;
    line-height: 23px;
    padding: 2px 3px 0;
    background: linear-gradient( #ccc, #999 );
    font-weight: 400;
    font-size: 17px;
    @include breakpoint( mama-bear ){
      display: inline-block;
      position: relative;
      margin: 0 -7px;
      padding: 1.5em 2em 1em 1em;
      width: auto;
      background: none;
      height: auto;
      &::before{
        transition: all .2s linear;
        border: .1em solid #aaa;
      }
      &.home{
        &:hover::before{
          background: tint($home_color,40%);
        }
        &::before{
          background: tint($home_color,70%);
        }
      }
      &.web{
        &:hover::before{
          background: tint($web_color,40%);
        }
        &::before{
          background: tint($web_color,70%);
        }
      }
      &.food{
        &:hover::before{
          background: tint($food_color,40%);
        }
        &::before{
          background: tint($food_color,70%);
        }
      }
      &.wood{
        &:hover::before{
          background: tint($wood_color,40%);
        }
        &::before{
          background: tint($wood_color,70%);
        }
      } 
      &.about{
        &:hover::before{
          background: tint($about_color,40%);
        }
        &::before{
          background: tint($about_color,70%);
        }
      }
      &.secured{
        &:hover::before{
          background: tint($secured_color,40%);
        }
        &::before{
          background: tint($secured_color,70%);
        }
      }
      &::before{
        content: ''; // To generate the box 
        position: absolute;
        top: 0; right: 0; bottom: .5em; left: 0;
        z-index: -1;
        border-bottom: none;
        border-radius: 10px 10px 0 0;
        box-shadow: 0 2px hsla(0,0%,100%,.5) inset;
        transform: translateZ(0) perspective(5px) rotateX(2deg);
        transform-origin: bottom left;
      }
      &.active{
        z-index: 2;
        color: white;
        text-shadow: 0 0 4px #555;
        &::before {
          margin-bottom: -1px;
          border-top-width: 1px;
          border-bottom: 0;
        }
        &.home::before{
          background: $home_color;
        }
        &.web::before{
          background: $web_color;
        }
        &.food::before{ 
          background: $food_color;
        }
        &.wood::before{
          background: $wood_color;
        } 
        &.about::before{
          background: $about_color;
        }
        &.secured::before{
          background: $secured_color;
        }
      }
    }
    &.active {
      border: 0;
      z-index: 1; /* Active tab is on top */
      color: white;
      @include breakpoint( baby-bear ){
        &.home{
          background: $home_color;
        }
        &.web{
          background: $web_color;
        }
        &.food{ 
          background: $food_color;
        }
        &.wood{
          background: $wood_color;
        } 
        &.about{
          background: $about_color;
        }
        &.secured{
          background: $secured_color;
        }
      }
    }    
  }//a
  @include breakpoint( baby-bear ){
    &.open {
      a {
        position: relative;
        display: block;
      }
    }
  }
} 
/* --------------------------------------------- 
     sub navigation
--------------------------------------------- */
.nav-sub{
  display: block;
  vertical-align: top;
  width: 140px;
  position: absolute;
  top: 0; 
  left: 0; 
  bottom: 0;
  border-top: 1px solid grey;
  .home &{
    background: $home_color;
  }
  .web &{
    background: $web_color;
  }
  .food &{
    background: $food_color;
  }
  .wood &{
    background: $wood_color;
  }
  .about &{
    background: $about_color;
  }
  .secured &{
    background: $secured_color;
  }
  a{
    display: block;
    padding: 8px 0 8px 8px;
    font-size: .9em;
    color: #ddd;
    text-decoration: none;
    border-bottom: 1px solid grey;
    @include transition( .2s all linear );
    &:hover{
      .home &{
        background: tint( $home_color, 30% );
      }
      .web &{
        background: tint( $web_color, 30% );
      }
      .food &{
        background: tint( $food_color, 30% );
      }
      .wood &{
        background: tint( $wood_color, 30% );
      }
      .about &{
        background: tint( $about_color, 30% );
      }
      .secured &{
        background: tint( $secured_color, 30% );
      }
    }
  }
  .nav-sub-pull{
    display: none;
  }
  @include breakpoint( baby-bear ){
    left: -140px;
    @include transition( .5s all linear ); 
    &.open{
      left: 0;
    }
    .nav-sub-pull{
      display: block;
      position: absolute;
      width: 20px;
      bottom: 0;
      top: 0; 
      left: 140px;
      border: 0;
      background: black;
      font-size: 12px;
      padding: 8px 0 8px 4px;
    }
  }
}
/* --------------------------------------------- 
     social media
--------------------------------------------- */
.social-media{
  background: lightgrey;
  color: black;
  overflow-x: hidden;
  header {
    a{
      border-bottom: 1px solid darkgrey;
      padding: 8px 8px 8px 8px;
      text-decoration: none;
      display: block;
      @include transition( .2s all linear );
      &:hover{
        background: white;
      }
    }
    img{
      height: 20px;
      float: left;
    }
    .social-site{
      font-size: 11px;
      text-align: center;
      letter-spacing: .1em;
      padding: 0;
      margin: 0 0 3px;
      text-transform: uppercase;
    }  
    .social-username{
      float: right;
      font-size: .8em;
      margin-top: 5px;
    }
  }
  &.social-media-twitter {
    box-shadow: 0 0 8px 1px #55acee;
    header a{
      color: #55acee;
    }
  }
  &.social-media-github{
    box-shadow: 0 0 8px 1px #4183c4;
    header a{
      color: #4183c4;
    }
  }
  .entry{
    border-bottom: 1px solid black;
    &:last-of-type{
      border-bottom: none;
    }
    .entry-label{
      font-size: .9em;
      color: #555;
      padding: 0;
      margin: 3px;
    }
    .entry-content{
      padding: 0 8px 8px; 
      font-size: .8em;
      color: #666;
    }
    &.entry-more a{
      display: block;
      text-align: center;
      padding: 3px;
      text-transform: uppercase;
      letter-spacing: .2em;
      font-size: .7em;
      background: grey;
      text-decoration: none;
      color: white;
      &:hover{
        background: black;
      }
    }
  }
}
/* --------------------------------------------- 
     blog
--------------------------------------------- */
.blog{
  .nav-blog{
    margin: 20px 0 0;
    border-top: 2px solid grey;
    padding: 4px;
    a{
      display: table-cell;
      float: left;
      width: 33.33%;
      color: black;
      font-size: .9em;
      text-align: center;
      height: 40px;
      vertical-align: middle;
      span{
        display: block;
        text-decoration: none;
        color: #666;
      }
    }
    a:first-child{
      text-align: right;
    }
    a:last-child{
      text-align: left;
    }
  }
  article{
    h1{
      font-family: "Montserrat Subrayada", arial, sans-serif;
      margin: 0;
      font-size: 1.5em;
      .home &{
        color: $home_color;
        text-shadow: 2px 2px 3px tint( $home_color, 70% );
      }
      .web &{
        color: $web_color;
        text-shadow: 2px 2px 3px tint( $web_color, 70% );
      }
      .food &{
        color: $food_color;
        text-shadow: 2px 2px 3px tint( $food_color, 70% );
      }
      .wood &{
        color: $wood_color;
        text-shadow: 2px 2px 3px tint( $wood_color, 70% );
      }
      .about &{
        color: $about_color;
        text-shadow: 2px 2px 3px tint( $about_color, 70% );
      }
    }
    h2{
      font-size: 18px;
      padding: 0;
      margin: 20px 0 0;
      .home &{
        color: $home_color;
      }
      .web &{
        color: $web_color;
      }
      .food &{
        color: $food_color;
      }
      .wood &{
        color: $wood_color;
      }
      .about &{
        color: $about_color;
      }
    }
    p{
      margin: 8px;
      font-size: .9em;
      &:first-of-type{
        margin-top: 15px;
      }
    }
    
  }
}

/* --------------------------------------------- 
     content
--------------------------------------------- */
.content{
  display: block;
  min-height: 200px;
  .nav-sub-exists &{
    margin-left: 130px;
    @include breakpoint( baby-bear ){
      margin-left: 20px;
    }
  }
}

/* --------------------------------------------- 
     grid
--------------------------------------------- */
.grid{
  [class*='col-'] {
    float: left;
  }
  .col-2-3{
    width: 66.66%;
  }
  .col-1-3 {
    width: 33.33%;
  }
  &::after {
    content: "";
    display: table;
    clear: both;
  }
  [class*='col-'] {
    padding-right: 20px;
  }
  [class*='col-']:last-child {
    padding-right: 0;
  }  
}

/* --------------------------------------------- 
     utilities
--------------------------------------------- */
.hide{
  display: none;
}
.cf:before,
.cf:after {
    content: " ";
    display: table;
}
.cf:after {
    clear: both;
}
!

JS

            
              var Tabs = {

  init: function() {
    this.bindUIfunctions();
    this.pageLoadCorrectTab();
  },

  bindUIfunctions: function() {

    // Delegation
    $(document)
      .on("click", ".nav-main a[href^='#']:not('.active')", function(event) {
        Tabs.changeTab(this.hash);
        event.preventDefault();
      })
      .on("click", ".nav-main a.active", function(event) {
        Tabs.toggleMobileMenu(event, this);
        event.preventDefault();
      })
      .on("click", ".nav-sub a.nav-sub-pull", function(event) {
        Tabs.toggleSubnavDrawer(event, this);
        event.preventDefault();
      });

  },

  changeTab: function(hash) {

    var anchor = $("[href=" + hash + "]");
    var div = $(hash);
    var main  = $('main');

    // activate correct anchor (visually)
    anchor.addClass("active").siblings("a").removeClass("active");

    // activate correct div (visually)
    div.addClass("active").siblings().removeClass("active");

    // update URL, no history addition
    // You'd have this active in a real situation, but it causes issues in an <iframe> (like here on CodePen) in Firefox. So commenting out.
    // window.history.replaceState("", "", hash);

    // Close menu, in case mobile
    anchor.closest(".nav-main").removeClass("open");
    
    //adjust main class
    main.removeClass(main.attr('data-active-section-id')).addClass(anchor.data('section-id')).attr('data-active-section-id',anchor.data('section-id'));
    

  },

  // If the page has a hash on load, go to that tab
  pageLoadCorrectTab: function() {
    this.changeTab(document.location.hash);
  },

  toggleMobileMenu: function(event, el) {
    $(el).closest(".nav-main").toggleClass("open");
  },
   
  toggleSubnavDrawer: function( event, el ){
    $(el).closest(".nav-sub").toggleClass("open");
  }

}

Tabs.init();
!
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