index.css

body {
  padding: 0;
  margin: 0;
}

.page {
  height: 100vh;
  color: #999;
  background-color: rgb(40, 44, 52);
}

.header {
  position: relative;
  height: 50px;
  text-align: center;
}

.search {
  -webkit-appearance: none;
  outline: none;
  width: 45%;
  height: 30px;
  line-height: 30px;
  padding: 0 8px;
  margin-top: 10px;
  font-size: 14px;
  border-radius: 4px;
  color: inherit;
  background-color: rgb(60, 64, 72);
  border: 1px solid #222;
}

.search:hover {
  -webkit-appearance: none;
  border-color: #1890ff;
}

.actions {
  position: absolute;
  top: 10px;
  left: 10px;
  font-family: monospace;
  font-size: 20px;
}

.action {
  display: inline-block;
  box-sizing: border-box;
  width: 30px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  border-radius: 50%;
  border: 1px solid;
  cursor: pointer;
  transition: all ease-in-out 0.5s;
}

.action:hover {
  color: #f8f8f8;
  border: none;
  background-color: #222;
  box-shadow: 0 0 10px 2px #999;
}

.main {
  display: flex;
}

.webview {
  width: 320px;
  height: 480px;
}