div.jamniki {
width: 100%;
margin: auto;
text-align:center;
z-index: 0;
position:absolute;
top:200px;
left:0;
}

div.jamnik
{
width: 99%;
margin: auto;
text-align:center;
position: absolute;
z-index:1;
top: 753px;
}

img{
border:0px}