.modalform {
    display: none;
    position: fixed;
    z-index: 999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgb(0,0,0);
    background-color: rgba(0,0,0,0.4);
    padding-top: 60px;
}
.modal-content {
    background-color: #fefefe;
    margin: 5% auto 15% auto;
    border: 1px solid #888;
    width:500px;
}
@media screen and (min-width: 1201px) {
  .modal-content {width:500px}
}
/* 设置了浏览器宽度不小于1201px时 abc 显示1200px宽度 */
@media screen and (max-width: 1200px) {
 5.modal-content {width:500px}
}
/* 设置了浏览器宽度不大于1200px时 abc 显示900px宽度 */
@media screen and (max-width: 901px) {
  .modal-content {width:500px;}
}
/* 设置了浏览器宽度不大于901px时 abc 显示200px宽度 */
@media screen and (max-width: 500px) {
  .modal-content {width:90%;}
}
.titlecontainer {
    text-align: center;
    margin: 24px 0 12px 0;
    position: relative;
}
.modalcloseloginbutton {
    position: absolute;
    right: 25px;
    top: -10px;
    color: #000;
    font-size: 35px;
    font-weight: bold;
}
.modalcloseloginbutton:hover,
.modalcloseloginbutton:focus {
    color: red;
    cursor: pointer;
}
.animate {
    -webkit-animation: animatezoom 0.6s;
    animation: animatezoom 0.6s
}
@-webkit-keyframes animatezoom {
    from {-webkit-transform: scale(0)} 
    to {-webkit-transform: scale(1)}
}
@keyframes animatezoom {
    from {transform: scale(0)} 
    to {transform: scale(1)}
}