Simple and stylish pure CSS3 Tabs tab effect

Brief Tutorial

This is a Tabs tab effect made using pure CSS3. The Tabs tab is simple and stylish, and the underline following animation is used when switching between tabs. The overall effect is very good.

HTML structure

The HTML structure of the entire Tabs tab is divided into several parts: use elements and an unordered list to make navigation.

<input type="radio" id="tab1" name="tab-control" checked>
<input type="radio" id="tab2" name="tab-control">
<input type="radio" id="tab3" name="tab-control">  
<input type="radio" id="tab4" name="tab-control">
<ul>
  <li title="tab 1"><label for="tab1" role="button"><span>Tab 1</span></label></li>
  <li title="tab 2"><label for="tab2" role="button"><span>Tab 2</span></label></li>
  <li title="tab 3"><label for="tab3" role="button"><span>Tab 3</span></label></li>
  <li title="tab 4"><label for="tab4" role="button"><span>Tab 4</span></label></li>
</ul>

The content of each tab is contained in a

element.

<p class="content">
  <section>
    <h2>Tab 1 content</h2>
  </section>
  <section>
    <h2>Tab 2 content</h2>
  </section>
  <section>
    <h2>Tab 3 content</h2>
  </section>
  <section>
    <h2>Tab 4 content</h2>
  </section>
</p>

The lines used to animate the underline are created using a

element.

<p class="slider"><p class="indicator"></p></p>

CSS Style

The main CSS styles of the Tabs tab are as follows:

.tabs {
  left: 50%;
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
  position: relative;
  background: white;
  padding: 50px;
  padding-bottom: 80px;
  width: 70%;
  height: 250px;
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.25), 0 10px 10px rgba(0, 0, 0, 0.22);
  border-radius: 5px;
  min-width: 240px;
}
 
.tabs input[name="tab-control"] { display: none; }
 
.tabs .content section h2, .tabs ul li label {
  font-weight: bold;
  font-size: 18px;
  color: #428BFF;
}
 
.tabs ul {
  list-style-type: none;
  padding-left: 0;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
  -webkit-flex-direction: row;
  -ms-flex-direction: row;
  flex-direction: row;
  margin-bottom: 10px;
  -webkit-box-pack: justify;
  -webkit-justify-content: space-between;
  -ms-flex-pack: justify;
  justify-content: space-between;
  -webkit-box-align: end;
  -webkit-align-items: flex-end;
  -ms-flex-align: end;
  align-items: flex-end;
  -webkit-flex-wrap: wrap;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
}
 
.tabs ul li {
  box-sizing: border-box;
  -webkit-box-flex: 1;
  -webkit-flex: 1;
  -ms-flex: 1;
  flex: 1;
  width: 25%;
  padding: 0 10px;
  text-align: center;
}
 
.tabs ul li label {
  -webkit-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
  color: #929daf;
  padding: 5px auto;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
  cursor: pointer;
  -webkit-transition: all 0.2s ease-in-out;
  transition: all 0.2s ease-in-out;
  white-space: nowrap;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
 
.tabs ul li label br { display: none; }
 
.tabs ul li label svg {
  fill: #929daf;
  height: 1.2em;
  vertical-align: bottom;
  margin-right: 0.2em;
  -webkit-transition: all 0.2s ease-in-out;
  transition: all 0.2s ease-in-out;
}
 
.tabs ul li label:hover, .tabs ul li label:focus, .tabs ul li label:active {
  outline: 0;
  color: #bec5cf;
}
 
.tabs ul li label:hover svg, .tabs ul li label:focus svg, .tabs ul li label:active svg { fill: #bec5cf; }
 
.tabs .slider {
  position: relative;
  width: 25%;
  -webkit-transition: all 0.33s cubic-bezier(0.38, 0.8, 0.32, 1.07);
  transition: all 0.33s cubic-bezier(0.38, 0.8, 0.32, 1.07);
}
 
.tabs .slider .indicator {
  position: relative;
  width: 50px;
  max-width: 100%;
  margin: 0 auto;
  height: 4px;
  background: #428BFF;
  border-radius: 1px;
}
 
.tabs .content { margin-top: 30px; }
 
.tabs .content section {
  display: none;
  -webkit-animation-name: content;
  animation-name: content;
  -webkit-animation-direction: normal;
  animation-direction: normal;
  -webkit-animation-duration: 0.3s;
  animation-duration: 0.3s;
  -webkit-animation-timing-function: ease-in-out;
  animation-timing-function: ease-in-out;
  -webkit-animation-iteration-count: 1;
  animation-iteration-count: 1;
  line-height: 1.4;
}
 
.tabs .content section h2 {
  color: #428BFF;
  display: none;
}
 
.tabs .content section h2::after {
  content: "";
  position: relative;
  display: block;
  width: 30px;
  height: 3px;
  background: #428BFF;
  margin-top: 5px;
  left: 1px;
}
 
.tabs input[name="tab-control"]:nth-of-type(1):checked ~ ul > li:nth-child(1) > label {
  cursor: default;
  color: #428BFF;
}
 
.tabs input[name="tab-control"]:nth-of-type(1):checked ~ ul > li:nth-child(1) > label svg { fill: #428BFF; }
@media (max-width: 600px) {
 
.tabs input[name="tab-control"]:nth-of-type(1):checked ~ ul > li:nth-child(1) > label { background: rgba(0, 0, 0, 0.08); }
}
 
.tabs input[name="tab-control"]:nth-of-type(1):checked ~ .slider {
  -webkit-transform: translateX(0%);
  transform: translateX(0%);
}
 
.tabs input[name="tab-control"]:nth-of-type(1):checked ~ .content > section:nth-child(1) { display: block; }
 
.tabs input[name="tab-control"]:nth-of-type(2):checked ~ ul > li:nth-child(2) > label {
  cursor: default;
  color: #428BFF;
}
 
.tabs input[name="tab-control"]:nth-of-type(2):checked ~ ul > li:nth-child(2) > label svg { fill: #428BFF; }
@media (max-width: 600px) {
 
.tabs input[name="tab-control"]:nth-of-type(2):checked ~ ul > li:nth-child(2) > label { background: rgba(0, 0, 0, 0.08); }
}
 
.tabs input[name="tab-control"]:nth-of-type(2):checked ~ .slider {
  -webkit-transform: translateX(100%);
  transform: translateX(100%);
}
 
.tabs input[name="tab-control"]:nth-of-type(2):checked ~ .content > section:nth-child(2) { display: block; }
 
.tabs input[name="tab-control"]:nth-of-type(3):checked ~ ul > li:nth-child(3) > label {
  cursor: default;
  color: #428BFF;
}
 
.tabs input[name="tab-control"]:nth-of-type(3):checked ~ ul > li:nth-child(3) > label svg { fill: #428BFF; }
@media (max-width: 600px) {
 
.tabs input[name="tab-control"]:nth-of-type(3):checked ~ ul > li:nth-child(3) > label { background: rgba(0, 0, 0, 0.08); }
}
 
.tabs input[name="tab-control"]:nth-of-type(3):checked ~ .slider {
  -webkit-transform: translateX(200%);
  transform: translateX(200%);
}
 
.tabs input[name="tab-control"]:nth-of-type(3):checked ~ .content > section:nth-child(3) { display: block; }
 
.tabs input[name="tab-control"]:nth-of-type(4):checked ~ ul > li:nth-child(4) > label {
  cursor: default;
  color: #428BFF;
}
 
.tabs input[name="tab-control"]:nth-of-type(4):checked ~ ul > li:nth-child(4) > label svg { fill: #428BFF; }
@media (max-width: 600px) {
 
.tabs input[name="tab-control"]:nth-of-type(4):checked ~ ul > li:nth-child(4) > label { background: rgba(0, 0, 0, 0.08); }
}
 
.tabs input[name="tab-control"]:nth-of-type(4):checked ~ .slider {
  -webkit-transform: translateX(300%);
  transform: translateX(300%);
}
 
.tabs input[name="tab-control"]:nth-of-type(4):checked ~ .content > section:nth-child(4) { display: block; }
@-webkit-keyframes 
content {  from {
 opacity: 0;
 -webkit-transform: translateY(5%);
 transform: translateY(5%);
}
 
to {
  opacity: 1;
  -webkit-transform: translateY(0%);
  transform: translateY(0%);
}
}
@keyframes 
content {  from {
 opacity: 0;
 -webkit-transform: translateY(5%);
 transform: translateY(5%);
}
 
to {
  opacity: 1;
  -webkit-transform: translateY(0%);
  transform: translateY(0%);
}
}
@media (max-width: 1000px) {
 
.tabs ul li label { white-space: initial; }
 
.tabs ul li label br { display: initial; }
 
.tabs ul li label svg { height: 1.5em; }
}
@media (max-width: 600px) {
 
.tabs ul li label {
  padding: 5px;
  border-radius: 5px;
}
 
.tabs ul li label span { display: none; }
 
.tabs .slider { display: none; }
 
.tabs .content { margin-top: 20px; }
 
.tabs .content section h2 { display: block; }

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