<div class="wrapper">
  <h1>Pure CSS Tabs</h1>
  <div class="tabs cf">
    <input type="radio" name="tabs" id="tab1" checked>
    <label for="tab1">
        Description
      </label>
    <input type="radio" name="tabs" id="tab2">
    <label for="tab2">
        Features
      </label>
    <input type="radio" name="tabs" id="tab3">
    <label for="tab3">
        Delivery &amp; returns
      </label>

    <div id="tab-content1" class="tab-content">
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      aeterno constituto.
    </div>
    <div id="tab-content2" class="tab-content">
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      aeterno constituto. Phaedrum volutpat cu vix, vim cu fugit iriure iudicabit, sea dico veri ei. Detracto copiosae platonem nam id, nonumy molestie indoctum sit no. Vix paulo facete an, ne usu viris graece legendos.
    </div>
    <div id="tab-content3" class="tab-content">
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      aeterno constituto. Phaedrum volutpat cu vix, vim cu fugit iriure iudicabit, sea dico veri ei. Detracto copiosae platonem nam id, nonumy molestie indoctum sit no. Vix paulo facete an, ne usu viris graece legendos. Cum ei reque iuvaret quaerendum, no
      eum nibh omnes, ei quo doctus explicari. No mea eirmod sententiae, ornatus evertitur ex usu. Aeque accusata gubergren ad cum, vim et movet volutpat. Cum ea recteque reformidans, tantas disputando et vis, ei usu pericula facilisis. Qui meliore reprehendunt
      ne.
    </div>
  </div>


  <div class="other-content">
    <p>
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    </p>
  </div>
</div>

// variables

$font-stack-sans-serif: Roboto, Helvetica, Arial, sans-serif;
$font-stack-serif: "Roboto Slab", Times, "Times New Roman", serif;
$color: #333;
$border-color: #ccc;



// mixins

@mixin box-sizing {
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}



// resets

html, body {
  font-size: 20px;
}

html {
  @include box-sizing;
}
*, *:before, *:after {
  @include box-sizing;
}

body {
  padding: 40px;
  margin: 0;
  line-height: 1.5;
  background-color: $color;
  font-family: $font-stack-sans-serif;
  color: $color;
}

h1 {
  margin-top: 0;
  line-height: 1.25;
  text-align: center;
  font-family: $font-stack-serif;
  color: white;
}

/* highlight colors */
::-moz-selection {
  background-color: #333;
  color: white;
}
::selection {
  background-color: #333;
  color: white;
}



// modules

/* wrapper */
.wrapper {
  max-width: 70ch;
  padding-right: 10px;
  padding-left: 10px;
  margin-right: auto;
  margin-left: auto;
}



// styles

/* tabs */
.tabs {
  border-right: 1px solid $border-color;
  &:after {
    content: "";
    display: table;
    clear: both;
  }
  & input[type=radio] {
    display: none;
  }
  & label {
    display: block;
    float: left;
    width: 33.33333%;
    padding: 1em;
    border: 1px solid $border-color;
    border-right: none;
    background-color: #f7f7f7;
    text-align: center;
    font-weight: 700;
    color: coral;
    cursor: pointer;
    transition: background-color 150ms ease-in-out;
    &:hover {
      background-color: white;
    }
  }
  &  [id^="tab"]:checked + label {
    border-bottom-color: white;
    background: white;
    color: $color;
  }
}
.tab-content {
  display: none;
  float: left;
  width: 100%;
  padding: 1em;
  border-bottom: 1px solid $border-color;
  border-left: 1px solid $border-color;
  background-color: white;
}
#tab1:checked ~ #tab-content1,
#tab2:checked ~ #tab-content2,
#tab3:checked ~ #tab-content3 {
  display: block;
}
.other-content {
  color: white;
}



// media queries

@media only screen and (max-width:768px) {  
  body, html {
    font-size: 18px;
  }
}
@media only screen and (max-width:645px) {
  .tabs label {
    float: none;
    width: 100%;
  }
}
@media only screen and (max-width:480px) {
  body, html {
    font-size: 16px;
  }
}

// j