JSFiddle - React, Tailwind, and code Playground

by fillano

HTML

<div class="btn1">
按
</div>

CSS

.btn1 {
  width: 50px;
  height: 50px;
  background-color: #336699;
  color: white;
  line-height: 48px;
  font-size: 36px;
  text-align:center;
  vertical-align: middle;
  transition: width 1s, height 1s, background-color 1s, line-height 1s, font-size 1s;
}

.btn1:hover {
  width: 60px;
  height: 60px;
  line-height: 58px;
  font-size: 43px;
  background-color: #4477AA;
  cursor: pointer;
}