@media screen and (max-width:450px){
	div.single_button_area {margin:5px 15px;}
	.middle{
		margin: 180px 0 0 0;
	}
}

@media screen and (max-width:335px){
	div.single_button_area {margin:5px 0;}
	footer a img#jameda_zeichen			{display:none;}
}