ls/pages/list/index.wxss

.contain{
  height: 100%;
}
.weui-btn{
  width: 100%;

}
.button-sp-area {
  margin:auto;
  padding-top:15px;
  width:60%;
  height:100%;
  display:flex;
  flex-direction:column;
  align-content:center;
  justify-content: center;
}