reader/pages/activityDet/index.wxss

.activityDet .header {
  width: 100%;
  height: 600rpx;
  background-color: wheat;
}
.activityDet .btnsBox {
  position: relative;
  text-align: center;
  background-color: skyblue;
  font-size: 0rpx;
}
.activityDet .btnsBox .send {
  width: 290rpx;
  height: 80rpx;
}
.activityDet .btnsBox .countDown {
  position: absolute;
  right: 30rpx;
  top: 0px;
  bottom: 0px;
  margin: auto;
  display: flex;
  align-items: center;
  color: #FD3545;
  font-size: 22rpx;
  font-weight: bold;
}
.activityDet .btnsBox .countDown .countBox {
  padding: 10rpx;
  border-radius: 10rpx;
  margin: 0rpx 4rpx;
  color: white;
  background-image: linear-gradient(180deg, #FF7079 0%, #FE3D44 100%);
}