.button {
  border-radius: 200px;
  color: #fff;
  padding: 7px 20px 7px 20px;
  font-size: 13px;
  font-family: "Open Sans", Arial, Helvetica, sans-serif;
  line-height: 1.4;
  font-weight: 700;
  display: inline-block;
  border: none;
  cursor: pointer;
  outline: none;
  min-height: 34px;
  min-width: 34px;
  text-align: center;
  -webkit-transition: all .25s 0s ease;
  transition: all .25s 0s ease;
}
.button.yellow {
  background: #ff9500;
}

.button.yellow:hover {
  background: #e68600;
}