.x {
    width: 30px;
    height: 30px;
    position: relative;
    transform: rotate(45deg);
    cursor: pointer;
    position: absolute;
    right: 12px;
    top: 10px;
}
.x:after, .x:before {
    content: "";
    position: absolute;
    height: 25px;
    width: 3px;
    background-color: #C7C7C7;
}
.x:after {
    transform: rotate(-90deg);
}
#mobileInfoFrom{
    height: 100%;
    position: relative;
}
.unselectable {
    -webkit-user-select: none; /* Chrome, Safari, Opera */
    -moz-user-select: none; /* Firefox */
    -ms-user-select: none; /* Internet Explorer/Edge */
    user-select: none; /* 其他浏览器 */
  }
  .mobileDiv input{
    border-radius: 5px;
  }