*{
    margin: 0;
    padding: 0;
}
#box{
    background: url("./img/loginBackground.jpg");
    position:fixed;
    top: 0;
    left: 0;
    width:100%;
    height:100%;
    min-width: 1000px;
    z-index:-10;
    zoom: 1;
    background-color: #fff;
    background-repeat: no-repeat;
    background-size: cover;
    -webkit-background-size: cover;
    -o-background-size: cover;
    background-position: center 0;

}
.login{
    position: fixed;
    top:50%;
    left:50%;
    transform: translate(-50%,-50%);
}
.login_title{
    text-align: center;
    margin: 10px 0;
    font-size: 30px;
    color: white;
    font-family: "华文行楷";
}
.login_container{
    padding: 20px 30px;
    background: rgba(0,0,0,0.3);
}
.login_titles{
    margin-bottom: 10px;
    text-align: center;
    font-size: 16px;
    color: #eee;
}
.login_user{
    position: relative;
    margin: 20px 0;
}
.login_user img{
    position: absolute;
    height: 20px;
    top: 50%;
    left: 8px;
    transform: translateY(-50%);
}
.login_user input{
    outline: none;
    border: none;
    padding: 7px 0px 7px 35px;
    width: 250px;
    font-family: "Microsoft soft";
    font-size: 14px;
    opacity: 0.4;
}
.login_remenber{
    font-family: "Microsoft soft";
    font-size: 14px;
    color: #eee;
}
.login_remenber input {
    outline: none;
    border: none;
    opacity: 0.7;
    vertical-align: middle;
}
.login_submit div{
    cursor: pointer;
    background: #00a1ff;
    opacity: 0.8;
    text-align: center;
    color: white;
    font-size: 16px;
    height: 30px;
    line-height: 30px;
    margin: 10px 0;
}
.login_message div{
    background: red;
    opacity: 0.8;
    text-align: center;
    color: white;
    font-size: 16px;
    height: 30px;
    line-height: 30px;
    margin: 10px 0;
    display: none;
    transition:  2s;
}
.login_message{
    -webkit-animation: login_message 2s linear;
    -moz-animation: login_message 2s linear;
    animation:login_message 2s linear;
}
@-webkit-keyframes login_message{ /*设置内容由显示变为隐藏*/
    0%{opacity: 0;}
    100%{opacity: 1;}

}