body{
    margin: 0;
    padding: 0;
    background-color: #000;
    font-size: 14px;
    -webkit-text-size-adjust: none;
    text-size-adjust: none;
    font-family: calibri, helvetica, arial, verdana, sans-serif;
    transition: all 0.5s;
    overflow: hidden
}

#main{
    position: absolute;

    height: 100vh;
    width: 100vw;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}