body, {
    display: block;
}


body {
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-image: url(1.jpg);
    font-family: Arial;
    line-height: 1.9;
}


#mitte {
    display: block;
    margin-top: 10%;
    margin-right: 30%;
    margin-left: 30%;
    padding-bottom: 20px;
    color: #red;
    font-family: Arial;
}


#hintergrund {
    background-image:
    url(schnee1.png),
    url(schnee2.png),
    url(schnee3.png);
    -webkit-animation:schnee 25s linear infinite;
    -moz-animation:schnee 25s linear infinite;
    -ms-animation:schnee 25s linear infinite;
    animation:schnee 25s linear infinite;
}


a {
    text-decoration: none;  
}


img { 
    border:0px none;
    text-decoration: none;   
}


* {
    margin: 0;
    padding: 0;
}


@keyframes schnee{0%{background-position:0px 0px,0px 0px,0px 0px}
100%{background-position:500px 1000px,400px 400px,300px 300px}}
@-moz-keyframes schnee{0%{background-position:0px 0px,0px 0px,0px 0px}
100%{background-position:500px 1000px,400px 400px,300px 300px}}
@-webkit-keyframes schnee{0%{background-position:0px 0px,0px 0px,0px 0px}
100%{background-position:500px 1000px,400px 400px,300px 300px;}}
@-ms-keyframes schnee{0%{background-position:0px 0px,0px 0px,0px 0px}100%
{background-position:500px 1000px,400px 400px,300px 300px}}