body {    
    width: 99%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    overflow: hidden;
    background-color: #4682b4;
    cursor: pointer;
    padding: 0;
    margin: auto;
    background-image: url("/img/bg.jpg");
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: scroll;
    background-size: 100% auto;
}

@media only screen and (max-height: 900px) {
    body {
        transform: scale(0.5);
        height: 900px;
    }
}
@media only screen and (min-height: 901px) and (max-height: 1080px) {
    body
    {
        height: 1080px;
    }
    
}
@media only screen and (min-height: 1081px) and (max-height: 1440px) {
    body
    {
        height: 1440px;
    }
}
@media only screen and (min-height: 1441px) and (max-height: 1800px) {
    body {
        transform: scale(1.5);
        height: 1800px;
    }
}
@media only screen and (min-height: 1801px) and (max-height: 2160px) {
    body {
        transform: scale(1.8);
        height: 2160px;
    }
}
@media only screen and (min-height: 2161px) {

    body {
        transform: scale(2);
        height: 2160px;
    }
}
.loginbox {
    max-width: 900px;
    width: 100%;
    min-width: 780px;
    height: 500px;
    margin: auto;
    /*   position: absolute;
    top: 50%;
    left: 50%;
    height: 30%;
    width: 50%;
    margin: -15% 0 0 -25%;*/
}

.logintitle {
    width: 100%;
    height: 200px;
    font-size: 40px;
    line-height: 50px;
    color: #fff;
    text-align: center;
}

.loginpanel {
    vertical-align: middle;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    background: rgba(188, 188, 188, 0.2);
    backdrop-filter: blur(8px);
    width: 100%;
    height: 350px;
    box-shadow: 0px 0px 100px 10PX black;
}

    .loginpanel input {
        margin-left: 50px;
        margin-top: 30px;
        border: 1px solid #ccc;
        border-radius: 8px;
        padding: 4px;
        height: 30px;
        line-height: 30px;
        width: 520px;
        min-width: 620px;
        max-width: 490px;
    }

    .loginpanel ul li {
        list-style: none;
        height: 80px;
    }

        .loginpanel ul li p {
            color: #fff;
            font-size: 16px;         
        }