html {
    background: linear-gradient(to right,#fff, #ccc);
    width: 100%;
    height: 100%;
}

div#_middle {
    top: 20vh;
    bottom: 20vh;
    left: 25vw;
    right: 25vw;
    position: absolute;
    border: solid 1px;
}

footer {
    position: fixed;
    text-align: center;
    width: 100%;
    bottom: 0;
}

div#widthfull {
    width: 100%;
    text-align: center;
    text-shadow: 5px 6px 10px #333;
    height: 50px;
    background: linear-gradient(to bottom, rgba(242,246,248,1) 0%,rgba(216,225,231,1) 50%,rgba(181,198,208,1) 51%,rgba(224,239,249,1) 100%);
}

h1 {
    font-size: 300%;
}

form, td, tr {
    font-size: 4vh;
    width: 100%;
}

div#loginform {
    top: 10vh;
    bottom: 10vh;
    left: 5vw;
    right: 5vw;
    position: absolute;
}

form {
    left: 0%;
    right: 0%;
    top: 60%;
    width: 100%;
    bottom: 0%;
    height: 10em;
    margin-top: -5em;
    position: absolute;
    text-align: left;
}


#logininput{
    width:20vw;
    height:4vh;
}

button {
    width:100%;
    height:100%;
    text-align:center;
}