.highlight {
  background: #011627;
  border-radius: 5px;
  box-shadow: 0 10px 30px 0 rgba(0,0,0,0.4);
  padding-top: 30px;
}
.highlight::before {
  background: #fc625d;
  border-radius: 50%;
  box-shadow: 20px 0 #fdbc40, 40px 0 #35cd4b;
  content: ' ';
  height: 12px;
  left: 12px;
  margin-top: -20px;
  position: absolute;
  width: 12px;
}
/*定义滚动条高宽及背景 高宽分别对应横竖滚动条的尺寸*/
::-webkit-scrollbar {
  width: 0px;
  height: 0px;
  background-color: #181c27;
}
/*定义滚动条轨道 内阴影+圆角*/
::-webkit-scrollbar-track {
  box-shadow: inset 0 0 6px rgba(0,0,0,0.3);
  -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);
  border-radius: 10px;
  background-color: #181c27;
}
/*定义滑块 内阴影+圆角*/
::-webkit-scrollbar-thumb {
  border-radius: 10px;
  box-shadow: inset 0 0 6px rgba(0,0,0,0.3);
  -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);
  background-color: #aaa;
}
/*鼠标在滑块上方时滑块变色*/
::-webkit-scrollbar-thumb:hover {
  background-color: #808080;
}