* { margin: 0; padding: 0; }
body { font: 14px Arial, Helvetica, sans-serif; }

article, aside, figure, footer, header, hgroup,
menu, nav, section { display: block; }

#page-wrap {
	width: 960px; 
	margin: 60px auto; 
	}

h1 { 
	box-shadow: 5px 0 20px black;	
 	}

#entrar{	
		-moz-box-shadow: 0px 0px 30px #ffffff; 
		-webkit-box-shadow: 0px 0px 30px #ffffff; 
		box-shadow: 0px 0px 30px #ffffff;
		
		padding: 10px;
		border: 1px solid #fff;
		width: 50%;
		margin: 40px auto;
		text-align:center;
		font-family:Arial, Helvetica, sans-serif;
	    border: none;
    	background: #000;
    	color:#f2f2f2;
    	padding: 10px;
    	font-size: 24px;
    	border-radius: 5px;
    	box-sizing: border-box;
    	transition: all 500ms ease;
		
}
#entrar:hover {
 		background: rgba(0,0,0,0);
 		color: #fff;
 		box-shadow: inset 0 0 0 3px #fff;
}
.boton{
		text-decoration:none;
		position:0;
}