ssj_parent/templates/picker/picker.wxss

/* templates/picker/picker.wxss */
.picker-container {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background: rgba(0, 0, 0, .2);
  z-index: 99;
}
.picker-cancel {
  position: absolute;
  width: 100%;
  height: 100%;
}
.picker-list {
  position: absolute;
  width: 100%;
  height: auto;
  bottom: 0;
  left: 0; 
  /* max-height: 80%;  */
  background: #fff;
  z-index: 9; 
}
.auto{
  height: auto;
}
.picker-li {
  padding: 30rpx;
  font-size: 30rpx;
  color: #393939;
  text-align: center
}
.picker-li-active {
  background: #FF6465;
  color: #fff;
}