html
{
	background: #111;
	display: table;
}
body
{
	display: table-cell;
	vertical-align: middle;
}

header
{
	position: relative;
	display: table;
	align-items: center;
	justify-content: center;
	width: 100%;
}
header h1
{
	display: block;
	margin: auto;
	width: 100%;
	text-align: center;
}
header h1 img
{
	width: 20%;
	padding: 50px 30px 30px;
}
header nav ul
{
	text-align: center;
	margin: 40px auto;
}
header nav ul li
{
	height: auto;
}
header nav ul li:hover
{
	-webkit-transform: none;
	   -moz-transform: none;
	    -ms-transform: none;
	     -o-transform: none;
	        transform: none;
}
header nav ul li a
{
	display: block;
	padding: 20px 50px;
	position: relative;
}
header nav ul li a img
{
	height: 150px;
}
header nav ul li.step-back a
{
	opacity: 0.5;
	cursor: default;
	
	-webkit-filter: blur(7px);
	        filter: blur(7px);
	
	-webkit-transform: scale(0.97);
	   -moz-transform: scale(0.97);
	    -ms-transform: scale(0.97);
	     -o-transform: scale(0.97);
	        transform: scale(0.97);
}
header nav ul li a::before
{
	content: '';
	display: block;
	height: 100%;
	width: 100%;
	position: absolute;
	top: 0;
	left: 0;
	z-index: -1;
	border: 10px solid #222222;
	opacity: 0;
	background: rgba(255, 255, 255, 0.03);
	border-radius: 5px;

	-webkit-box-shadow: 0 0 50px 0 rgba(0, 0, 0, 0.7);
	   -moz-box-shadow: 0 0 50px 0 rgba(0, 0, 0, 0.7);
	    -ms-box-shadow: 0 0 50px 0 rgba(0, 0, 0, 0.7);
	     -o-box-shadow: 0 0 50px 0 rgba(0, 0, 0, 0.7);
	        box-shadow: 0 0 50px 0 rgba(0, 0, 0, 0.7);

	-webkit-transform: scale(0.94);
	   -moz-transform: scale(0.94);
	    -ms-transform: scale(0.94);
	     -o-transform: scale(0.94);
	        transform: scale(0.94);

	-webkit-box-sizing: border-box;
	   -moz-box-sizing: border-box;
	    -ms-box-sizing: border-box;
	     -o-box-sizing: border-box;
	        box-sizing: border-box;

  -webkit-transition: all 0.2s ease-out;
     -moz-transition: all 0.2s ease-out;
      -ms-transition: all 0.2s ease-out;
       -o-transition: all 0.2s ease-out;
          transition: all 0.2s ease-out;
}
header nav ul li:not(.step-back) a:hover::before
{
	opacity: 1;

	transform: scale(1);
}
footer
{
	margin-top: 30px;

  -webkit-transition: all 0.2s ease-out;
     -moz-transition: all 0.2s ease-out;
      -ms-transition: all 0.2s ease-out;
       -o-transition: all 0.2s ease-out;
          transition: all 0.2s ease-out;
}