When javascript doesn’t make the grade.
HTML
<div class="wrapper">
<div class="half">
<p>Open multiple</p>
<div class="tab"><input id="tab-one" name="tabs" type="checkbox" /> <!--can open several tabs at once-->
<label for="tab-one">Label One</label>
<div class="tab-content">
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Tenetur, architecto, explicabo perferendis nostrum, maxime impedit atque odit sunt pariatur illo obcaecati soluta molestias iure facere dolorum adipisci eum? Saepe, itaque.</p>
</div>
</div>
<div class="tab"><input id="tab-two" name="tabs" type="checkbox" />
<label for="tab-two">Label Two</label>
<div class="tab-content">
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Tenetur, architecto, explicabo perferendis nostrum, maxime impedit atque odit sunt pariatur illo obcaecati soluta molestias iure facere dolorum adipisci eum? Saepe, itaque.</p>
</div>
</div>
<div class="tab"><input id="tab-three" name="tabs" type="checkbox" />
<label for="tab-three">Label Three</label>
<div class="tab-content">
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Tenetur, architecto, explicabo perferendis nostrum, maxime impedit atque odit sunt pariatur illo obcaecati soluta molestias iure facere dolorum adipisci eum? Saepe, itaque.</p>
</div>
</div>
</div>
<div class="half">
<p>Open one</p>
<div class="tab blue"><input id="tab-four" name="tabs2" type="radio" /> <!--opening one tab closes another-->
<label for="tab-four">Label One</label>
<div class="tab-content">
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Tenetur, architecto, explicabo perferendis nostrum, maxime impedit atque odit sunt pariatur illo obcaecati soluta molestias iure facere dolorum adipisci eum? Saepe, itaque.</p>
</div>
</div>
<div class="tab blue"><input id="tab-five" name="tabs2" type="radio" />
<label for="tab-five">Label Two</label>
<div class="tab-content">
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Tenetur, architecto, explicabo perferendis nostrum, maxime impedit atque odit sunt pariatur illo obcaecati soluta molestias iure facere dolorum adipisci eum? Saepe, itaque.</p>
</div>
</div>
<div class="tab blue"><input id="tab-six" name="tabs2" type="radio" />
<label for="tab-six">Label Three</label>
<div class="tab-content">>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Tenetur, architecto, explicabo perferendis nostrum, maxime impedit atque odit sunt pariatur illo obcaecati soluta molestias iure facere dolorum adipisci eum? Saepe, itaque.</p>
</div>
</div>
</div>
</div>
CSS
/* Acordeon styles */
.tab {
position: relative;
margin-bottom: 1px;
width: 100%;
color: #fff;
overflow: hidden;
}
.tab input {
position: absolute;
opacity: 0;
z-index: -1;
}
.tab label {
position: relative;
display: block;
padding: 0 0 0 1em;
background: #16a085;
font-weight: bold;
line-height: 3;
cursor: pointer;
}
.blue label {
background: #2980b9;
}
.tab-content {
max-height: 0;
overflow: hidden;
background: #1abc9c;
-webkit-transition: max-height .35s;
-o-transition: max-height .35s;
transition: max-height .35s;
}
.blue .tab-content {
background: #3498db;
}
.tab-content p {
margin: 1em;
}
/* :checked */
.tab input:checked ~ .tab-content {
max-height: 100vh;
}
/* Icon */
.tab label::after {
position: absolute;
right: 0;
top: 0;
display: block;
width: 3em;
height: 3em;
line-height: 3;
text-align: center;
-webkit-transition: all .35s;
-o-transition: all .35s;
transition: all .35s;
}
.tab input[type=checkbox] + label::after {
content: "+";
}
.tab input[type=radio] + label::after {
content: "\25BC";
}
.tab input[type=checkbox]:checked + label::after {
transform: rotate(315deg);
}
.tab input[type=radio]:checked + label::after {
transform: rotateX(180deg);
}
