<div class="container">
    <div class="box" style="--clr:#00a6bc;">
      <div class="content">
        <div class="icon"><i class="fa fa-paint-brush"></i></div>
        <div class="text">
          <h3>UI设计</h3>
          <p>UI设计（或称界面设计）UI即User Interface(用户界面)的简称，它分为实体UI和虚拟UI，互联网常用的UI设计是虚拟UI。</p>
          <a href="https://mankeung.github.io/docs/mk-data" target="_blank">了解更多</a>
        </div>
      </div>
    </div>
    <div class="box" style="--clr:#f75bea;">
      <div class="content">
        <div class="icon"><i class="fa fa-file-code-o"></i></div>
        <div class="text">
          <h3>前端开发</h3>
          <p>前端开发,是通过HTML，CSS及JavaScript以及衍生出来的各种技术、框架、解决方案，来实现互联网产品的用户界面交互。</p>
          <a  href="https://mankeung.github.io/docs/mk-data" target="_blank">了解更多</a>
        </div>
      </div>
    </div>
    <div class="box" style="--clr:#e9ca18;">
      <div class="content">
        <div class="icon"><i class="fa fa-random"></i></div>
        <div class="text">
          <h3>后端开发</h3>
          <p>后端开发即“服务器端”开发，主要涉及软件系统“后端”的东西。比如，用于托管网站、App数据的服务器、放置在后端服务器与浏览器。</p>
          <a  href="https://mankeung.github.io/docs/mk-data" target="_blank">了解更多</a>
        </div>
      </div>
    </div>
  </div>

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: #666;
}

.container {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 60px;
  padding: 50px 0;
}

.container .box {
  position: relative;
  width: 300px;
  height: 350px;
  background: #2e2e2e;
  display: flex;
  justify-content: center;
  align-items: center;
}

.container .box::before {
  content: '';
  position: absolute;
  border-top: 4px solid var(--clr);
  border-bottom: 4px solid var(--clr);
  inset: -10px 50px;
  z-index: -2;
  transform: skewY(15deg);
  transition: 0.5s ease-in-out
}

.container .box:hover::before {
  transform: skew(0deg);
  inset: -10px 40px;
}

.container .box::after {
  content: '';
  position: absolute;
  border-left: 4px solid var(--clr);
  border-right: 4px solid var(--clr);
  inset: 60px -10px;
  z-index: -1;
  transform: skew(15deg);
  transition: 0.5s ease-in-out
}

.container .box:hover::after {
  transform: skew(0deg);
  inset: 40px -10px;
}

.container .box .content {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  text-align: center;
  gap: 20px;
  padding: 0 20px;
  overflow: hidden;
  width: 100%;
  height: 100%;
}

.container .box .content .icon {
  color: var(--clr);
  font-size: 2.5em;
  width: 80px;
  height: 80px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #2e2e2e;
  color: var(--clr);
  transition: 0.5s ease-in-out;
  box-shadow: 0 0 0 4px #2e2e2e,
  0 0 0 6px var(--clr);
}

.container .box:hover .content .icon {
  color : #2e2e2e;
  background: var(--clr);
  box-shadow: 0 0 0 4px #2e2e2e,
  0 0 0 300px var(--clr);
}

.container .box .content .text h3 {
  font-size: 1.5em;
  color: #fff;
  font-weight: 500;
  transition: 0.5s ease-in-out;
}

.container .box:hover .content .text h3 {
  color: #2e2e2e;
}

.container .box .content .text p {
  color: #777;
  transition: 0.5s ease-in-out;
}

.container .box:hover .content .text p {
  color: #333;
}

.container .box .content .text a {
  position: relative;
  background: var(--clr);
  color: #2e2e2e;
  padding: 8px 15px;
  display: inline-block;
  text-decoration: none;
  font-weight: 500;
  margin-top: 10px;
  transition: 0.5s ease-in-out;
}

.container .box:hover .content .text a {
  background: #2e2e2e;
  color: var(--clr);
}