@import url('normalize.css');
@import url('https://fonts.googleapis.com/css?family=Roboto:900');

body{
	background: #f9f9f9 /*url(../images/white_wall_hash.png)*/;
	-webkit-font-smoothing: antialiased;
	overflow-y: scroll;
	overflow-x: hidden;
}

a{
	text-decoration: none;
}

.container{
	width: 100%;
	position: relative;
}

.main{
	width: 90%;
	margin: 0 auto;
	position: relative;
}

.ch-grid {
	padding: 0;
	list-style: none;
	display: block;
	text-align: center;
	width: 100%;
}

.ch-grid:after,
.ch-item:before {
	content: '';
    display: table;
}

.ch-grid:after {
	clear: both;
}

.ch-grid li {
	display: inline-block;
}

.jens {
	background: url(../images/Jens-300x300.jpg) no-repeat;
	-moz-background-size: cover;
    -o-background-size: cover;
    -webkit-background-size: cover;
    background-size: cover;
}

.marion {
	background: url(../images/Marion-300x300.jpg) no-repeat;
	-moz-background-size: cover;
    -o-background-size: cover;
    -webkit-background-size: cover;
    background-size: cover;
}

.philipp {
	background: url(../images/Philipp-300x300.jpg) no-repeat;
	-moz-background-size: cover;
    -o-background-size: cover;
    -webkit-background-size: cover;
    background-size: cover;
}

.julien {
	background: url(../images/Julien-300x300.jpg) no-repeat;
	-moz-background-size: cover;
    -o-background-size: cover;
    -webkit-background-size: cover;
    background-size: cover;
}

.ch-info {
	position: absolute;
	width: 100%;
	height: 100%;
	border-radius: 50%;
	opacity: 0;

	-webkit-transition: all 0.4s ease-in-out;
	-moz-transition: all 0.4s ease-in-out;
	-o-transition: all 0.4s ease-in-out;
	-ms-transition: all 0.4s ease-in-out;
	transition: all 0.4s ease-in-out;

	-webkit-transform: scale(0);
	-moz-transform: scale(0);
	-o-transform: scale(0);
	-ms-transform: scale(0);
	transform: scale(0);

	-webkit-backface-visibility: hidden; /*for a smooth font */

}

.ch-info h1 {
	color: #fff;
	position: relative;
	font-family: 'Roboto', sans-serif;
	font-weight: 900;
    letter-spacing: 10px;
    text-transform: uppercase;
}

.ch-item:hover .ch-info {
	opacity: 1;

	-webkit-transform: scale(1);
	-moz-transform: scale(1);
	-o-transform: scale(1);
	-ms-transform: scale(1);
	transform: scale(1);
}

.ch-item {
	width: 100%;
	height: 100%;
	border-radius: 50%;
	position: relative;
    cursor: pointer;

	-webkit-transition: all 0.4s ease-in-out;
	-moz-transition: all 0.4s ease-in-out;
	-o-transition: all 0.4s ease-in-out;
	-ms-transition: all 0.4s ease-in-out;
	transition: all 0.4s ease-in-out;
}

/* Media Queries */

/* Smartphones ----------- */
@media only screen and (max-width : 767px) {
	.main{
		width: 170px;
	}

	.ch-grid {
		margin: 10px 0 0 0;
	}

	.ch-grid li {
		width: 140px;
		height: 140px;
		margin: 10px 0 20px 0;
		clear: left;
	}

	.ch-item {
		box-shadow:
			inset 0 0 0 0 rgba(255,255,255, 0.2),
			inset 0 0 0 10px rgba(255,255,255,0.6),
			0 1px 2px rgba(0,0,0,0.1);
	}

	.ch-info h1 {
		letter-spacing: 2px;
		font-size: 30px;
		height: 85px;
		line-height: 85px;
	}

	.ch-item:hover {
		box-shadow:
			inset 0 0 0 70px rgba(255,255,255, 0.6),
			inset 0 0 0 0px rgba(255,255,255,0.2),
			0 1px 2px rgba(0,0,0,0.1);
	}
}

/* Tablets, iPads (portrait and landscape) ----------- */
@media only screen and (min-width : 768px) and (max-width : 1223px) {
	.ch-grid {
		margin: 125px 0 0 0;
	}

	.ch-grid li {
		width: 170px;
		height: 170px;
		margin: 28px;
	}

	.ch-item {
		box-shadow:
			inset 0 0 0 0 rgba(255,255,255, 0.2),
			inset 0 0 0 11px rgba(255,255,255,0.6),
			0 1px 2px rgba(0,0,0,0.1);
	}

	.ch-info h1 {
		letter-spacing: 2px;
		font-size: 35px;
		height: 115px;
		line-height: 115px;
	}

	.ch-item:hover {
		box-shadow:
			inset 0 0 0 85px rgba(255,255,255, 0.6),
			inset 0 0 0 0px rgba(255,255,255,0.2),
			0 1px 2px rgba(0,0,0,0.1);
	}
}

/* Large screens ----------- */
@media only screen and (min-width : 1224px) {
	.ch-grid {
		margin: 150px 0 0 0;
	}

	.ch-grid li {
		width: 220px;
		height: 220px;
		margin: 45px;
	}

	.ch-item {
		box-shadow:
			inset 0 0 0 0 rgba(255,255,255, 0.2),
			inset 0 0 0 16px rgba(255,255,255,0.6),
			0 1px 2px rgba(0,0,0,0.1);
	}

	.ch-info h1 {
		letter-spacing: 2px;
		font-size: 45px;
		height: 155px;
		line-height: 155px;
	}

	.ch-item:hover {
		box-shadow:
			inset 0 0 0 110px rgba(255,255,255, 0.6),
			inset 0 0 0 0px rgba(255,255,255,0.2),
			0 1px 2px rgba(0,0,0,0.1);
	}
}