*{margin:0px auto;}
html,
body{
    margin:0;
    padding:0;
    height:100%;
    
    
}

.kontiner {
    min-height:100%;
    position:relative;
}

.footer {
width: 100%;
height: 150px;
padding-top: 20px;
line-height: 50px;
background: black;
color: white;
margin-top:-150px;
clear:both;

position:relative;


}

.bt1 {

    width: 30px;
    height: 40px;
}