body{
    margin:0;
    padding:0;
}
.adiv{
    text-align: center;
}
.top_text{
    background-color: white;
    padding: 0px;
    width: 100%;
}
.bar{
    background-color: orange;
    width: 100%;
}
.baner{
    background-color: white;
    width: 100%;
    height:auto;
    box-sizing: border-box;
    position: fixed;
    top:0;
}
.knapper{
    padding: 10px;
}