html, body {
    color: #242729;
    font-family: Arial,"Helvetica Neue",Helvetica,sans-serif;
    font-size: 1.2em;
    line-height: 1.30769231;
	text-align: center;
}
a{
	text-decoration:none;
	color: black;
}
form{
	padding:10px;
	margin:10px;
}
input{
	font-size:1.2em;
	width:300px;
	margin: 5px;
	text-align:center;
}
.art_numeros input{
	width:185px;
}
button{
	width:304px;
	height:2em;
	font-size:1em;
}
.menu{
	padding:10px;
}
.opcion{
	border: 1px solid #5a5a5a;
	border-radius: 20px;
	margin: 40px 10px;
	padding: 15px;
	line-height:3em;
}
.articulos{
	padding:15px;
	margin:5px;
}
.articulo{
	display: inline-block;
	padding:15px;
	margin:5px;
	font-family: "Courier New";
	font-size: .7em;
	text-align:left;
	border: 1px solid #5a5a5a;
	border-radius: 20px;
	
}
.error{
	display: inline-block;
	padding:15px;
	margin:5px;
	background-color: pink;
	border-radius: 20px;
	font-size: .7em;
}
.ticket{
	margin: 0px auto;
	font-family: "Courier New";
	font-size: .7em;
	border: 1px solid #5a5a5a;
	padding:15px;
}
.ticket td{
	margin: 10px;
	padding:5px;
	vertical-align:baseline;
	text-align:right;
}
.coste_pdte{
	background-color: lightyellow;
}
.coste_error{
	background-color: pink;
}
.abierto{
	background-color: lightgray;
}
.seleccionado{
	background-color: lightgreen;
}