MiniPrograms_Activity/components/Chart/Chart.wxss

/* components/Chart/Chart.wxss */
.canvas {
  width: 100%;
  height: 200px;
  font-size: 14px;
  position: relative;
}
.canvas .btnType{
  position: absolute;
  top: -2em;
  border: 1px solid #1989fa;
  border-radius: 3px;
  right: 5px;
  color: #fff;
  height: 1.4em;
  text-align: center;
  line-height: 1.4em;
}
.canvas .btnType .chartBtn{
  display: inline-block;
  min-width: 2.5em;
  height: 1.4em;
  line-height: 1.4em;
}
.canvas .btnType .active{
  background-color: #1989fa
}