html, body {
    width: 100%;
    height: 100%;
    /* background-image: url('../lib/image/login.png');*/
    background-size: 100% 100%;
    background-repeat: no-repeat;
    margin: 0;
    padding: 0;
    background-size: 100% 100%;
    background-size: cover;
    background-color: #1375BC;
}

.login {
    width: 960px;
    /* height: 80%;*/
    text-align: center;
    transform: translate(-50%,-50%);
    box-shadow: 0 0 2px 0px #808080;
    border-radius: 4px;
    background-color: RGB(254,254,254);
    z-index: 2;
    opacity: 0.92;
    background-color: #fff;
    flex-flow: row-reverse !important;
    justify-content: space-between;
    position: absolute;
    left: 50%;
    top: 50%;
    /* background-image: url('../lib/image/login.png');
    background-size: 100% 100%;
    background-repeat: no-repeat;
    margin: 0;
    padding: 0;
    background-size: 100% 100%;
    background-size: cover;*/
}

.header {
    margin: 40px 0;
    width: 100%;
}

.center {
    margin: 20px
}

.foot {
    bottom: 40px;
    position: fixed;
    width: 100%;
    margin: 0
}

    .foot .el-button {
        cursor: pointer;
        width: 300px;
        text-align: center;
        height: 40px;
        line-height: 40px;
        background-color: dodgerblue;
        border-radius: 5px;
        margin: 0 auto;
        margin-top: 20px;
        color: white;
        font-size: 16px;
    }

.background {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

.item {
    margin: 30px 0
}

.el-card__header {
    padding: 30px;
}