body {
margin:0; 1%;
background-color: #316ac3;
scrollbar-arrow-color: gold;
scrollbar-base-color: #316ac3;
scrollbar-track-color: #000099;
scrollbar-family-color: #445A67;

}

.blockoben {
background-color: #0b328d;
margin-top:5px;
margin-right:0px;
margin-left:0px;
height:50px;
width:100%

}

#logo {
    
    position : absolute;
    top : 1.5%;
    left : 12.5%;
    font-family : arial;
    font-size : 15px;
    color: #ffffff;
    letter-spacing : 3px;
    background-color: #0b328d;
}

.content_a {
background-color: #316ac3;
height : auto;
margin-top : 2.5%;
margin-left : 7%;
margin-right: 0%;

}

A:link {

    color : white;
    text-decoration : none;

}

A:hover {

    color : yellow;
    text-decoration : none;

}

A:visited {

    color : white;
    text-decoration : none;

}

A:active {

    color : yellow;
    text-decoration : none;

}