perfil.css

body {background-color:lightyellow;}

a {color:green; text-decoration:none;}
footer {text-align:center; background-color:darkorange; }

header {
	background: url('imagenes/gimnasio.jpeg') no-repeat;
	background-size: 100% 100%;
	color: black;
	border-style:solid;
	margin-bottom:2%;
	display: flex;
	justify-content: space-between;
}
#enlace {margin-left:3%; margin-top:2%;}
header img {width:150px; height:150px;}
header h1 { text-align:center; background-color:white; border-style:solid;
						width:30%; height:5%; margin-top:8%; margin-left:8%;}
header section {background-color:white; width:20%; height:20%; padding:2%; margin-top:9%; }

nav {clear:left; margin:3% auto; width:250px;}
nav ul {margin: 0%;}
nav, nav ul {border-style: solid;}
nav,nav ul,nav li a {list-style:none; background-color:darkorange; color:black;
			 padding:10px 12px; text-decoration:none; display:block; text-align:center;}
nav p {margin-bottom:0%; margin-top:0%; }
nav:hover > ul {display:block;}
nav ul {display:none; position:absolute; width:140px;}

h3 {text-align:center;}

form {width:70%; margin:0 auto; text-align:center; }

#problema {text-align: center;}