.add {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-flow: column;
  height: 100%;
}
.pos {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  opacity: 0;
  color: #fff;
}
.pos:hover {
  opacity: 1;
  background: rgba(0, 0, 0, 0.6);
}
.row_style{
    width: 100%;
    >div:nth-child(1){
        width: 120px;
        text-align: right;
    }
    >div:nth-child(2){
        width: 100%;
    }
    
}