body {
    background-color:purple;
    margin: 0;
}
a {
	color: white;
	text-decoration: none;
}

#content {
	background-color: white;
	width: 900px;
	margin: 50px auto;
	padding: 35px;
	z-index: 100;
}

#galeria {
	width: 600px;
	height: 600px;
	margin:  0 auto;
	position: relative;
	overflow: hidden;
	white-space:nowrap;
	white-space:nowrap;

}

#galeria>div {
	display: inline-block;
	background-size: cover;
	position: relative;
	width: 600px;
	height: 600px;
	left: 0;
	-webkit-animation: slide 15s linear infinite;
    -webkit-animation-delay: 1s;
    animation: slide 15s linear infinite;
    animation-delay: 1s;
}



@-webkit-keyframes slide {
        0% { left: 0%; }
20% { left: 0%; }
25% { left: -100%; }
45% { left: -100%; }
50% { left: -200%; }
70% { left: -200%; }
75% { left: -300%; }
95% { left: -300%; }
100% { left: -400%; }
    }

@keyframes slidy {
0% { left: 0%; }
20% { left: 0%; }
25% { left: -100%; }
45% { left: -100%; }
50% { left: -200%; }
70% { left: -200%; }
75% { left: -300%; }
95% { left: -300%; }
100% { left: -400%; }
}

#banner {
	top: 0;
	background-color: #4386d3;
	height: 200px;
	width: 100%;
	position: absolute;
	margin: 0;
	padding: 20px 0;
	z-index: -100;
}

#banner > div {
	font-size: 175%;
	margin: 0 auto;
	width: 960px;
}