.mask_layer {
  position:absolute;
  top: 0;
  bottom:0;
  left:0;
  right:0;
  z-index: 100;
  background-color: rgba(0, 0, 0, 0.5);
  display: none;
}

.mask_layer_child{
  position: absolute;
  z-index: 200;
  top: .1rem;
  right: .51rem;
  /* background: salmon; */
  /* width: 1rem; */
  /* height: 1rem; */
  display: none;
  color: #FFFFFF;
  font-size: 0.15rem;
  font-family:Helvetica;
  font-weight:400;
}
.top{
  position: relative;
  left: 1.5rem;
  top: 0.35rem;
  width: .62rem;
}
.lettle{
  width: 0.4rem;
  height: 0.3rem;
}
.browse{
  width: 1.5rem;
  height: 0.3rem;
}