Responsive CSS round button

by Kirti Vishwakarma

HTML

<div class="round-button">
  <div class="round-button-circle"><a href="" class="round-button">GB</a></div>
</div>
<br/>
<div class="round-button">
  <div class="round-button-circle"><a href="" class="round-button">PL</a></div>
</div>
<br/>
<div class="round-button">
  <div class="round-button-circle"><a href="" class="round-button">DE</a></div>
</div>
<br/>
<div class="round-button">
  <div class="round-button-circle"><a href="" class="round-button">RU</a></div>
</div>
<br/>
<div class="round-button">
  <div class="round-button-circle"><a href="" class="round-button">ES</a></div>
</div>
<br/>
<div class="round-button">
  <div class="round-button-circle"><a href="" class="round-button">IT</a></div>
</div>
<br/>
<div class="round-button">
  <div class="round-button-circle"><a href="" class="round-button">HU</a></div>
</div>
<br/>
<div class="round-button">
  <div class="round-button-circle"><a href="" class="round-button">CZ</a></div>
</div>
<br/>
<div class="round-button">
  <div class="round-button-circle"><a href="" class="round-button">NL</a></div>
</div>
<br/>
<div class="round-button">
  <div class="round-button-circle"><a href="" class="round-button">FR</a></div>
</div>
<br/>

CSS

.round-button {
  width: 9%;
}

.round-button-circle {
  width: auto;
  height: 0;
  padding-bottom: 70%;
  border-radius: 50%;
  border: 2px solid #33bef2;
  overflow: hidden;
  color: #33bef2;
  background: #fff;
}

.round-button-circle:hover {
  background: #30588e;
}

.round-button a {
  display: block;
  float: left;
  width: 100%;
  Padding-top: 35%;
  line-height: 1em;
  margin-top: -0.5em;
  text-align: center;
  color: #33bef2;
  font-family: Verdana;
  font-size: 1.2em;
  font-weight: bold;
  text-decoration: none;
}