* {
	margin:0;
	padding: 0;
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
}

body {
	background:url(../img/fondo.jpg) #F0F0F0;
	background-size:cover;
	color:#fff;
}

h1 {
	margin-bottom: 0.3125rem;
	font-family: Oswald, Arial;
	text-align: center;
}

#principal{
	width: 500px;
	margin: 10px auto;
}

@media screen and (max-width:600px){
	#principal{
		width: 100%;
		margin: 10px auto;
}}

#widget{
	margin: 2em;
}

#widget p {
	display: inline-block;
	line-height: 1em;
}

.cuadro{
	margin-bottom: 0.3125rem;
	font-family: Oswald, Arial;
	text-align: center;
	background: rgba(0,0,0,.5);
	font-size:2em;
}

#reloj{
	font-size: 4em;
}

#caja-segundos {
	display: inline-block;
}

#reloj #segundos,
#reloj #ampm {
	font-size: 2rem;
	display: block;
}

.subcuadro{
	font-size:0.5em;
}

th{
	margin: 5px;
  padding: 5px;
	border: white 1px solid;
}

td{
	margin: 5px;
  padding: 5px;
	border: white 1px solid;
}

table{
 margin-left: auto;
 margin-right: auto;
}