.urlap { float:left; width: 25%; padding:5px; box-sizing: border-box; }
.urlap:nth-child(2n+0)  { width: 75%;  }


@media screen and (min-width: 1100px) {
	header {  position: relative; z-index: 2;}
	#oldal {  position: relative; z-index: 1;}
	#hatter { display: block;}
}