table, tr, th, td{border: 1px solid #ccc;}

#errores, #noEnviar{
	color: red;
}
.error, .error input{background: #F66;}

#noEnviar{display: none;}
.hayError #noEnviar{display:block;}


table{margin:auto;}
th{background-color:#CCF;}


h1, h2, th, input, .total{text-align: center;}
h2{margin-bottom: 1em;}

section{
	margin-top: 3em;
	margin-bottom: 3em;
}

td:nth-child(1),
#periodos td,
#periodo td{
	padding: 0 1em;
}


div.texto{
	text-align:center;
}

.logo{
	display:block;
	margin:auto;
	
}

.instrucciones{
	/* font-weight: bold; */
}

.btn .btn-primary, button:not(:disabled){
	font-size: 2rem !important;
	background-color: rgb(147, 206, 67) !important;
}
.btn.disabled, .btn:disabled{
	font-size: 2rem !important;
	color: black !important;
	background-color: rgba(48, 48, 48, 0.4) !important;
}