.nav_boton{
	/*border:0px;*/
	padding:0;
	display:inline-block;
	position:relative;
	width:140px;
	font-size:120%;
	text-align:center;
	vertical-align:top;
	background-color:transparent;
	border:2px solid transparent;
	margin:5px;
	transition:  border-color 0.2s;
	border-radius:3px;
}

.nav_boton:hover{
	background-color:transparent;
	border-color:rgba(240,240,240,0.5);
}

.nav_boton_icon{
	margin:0;
	width:60px;
	height:60px;
	display:inline-block;
	vertical-align:bottom;
	border-radius:3px;
	margin:10px;
	margin-bottom:5px;
	-webkit-filter: drop-shadow( 0 0 3px rgba(0,0,0,0.5) );
	filter: drop-shadow( 0 0 3px rgba(0,0,0,0.5) );
	/*border:10px solid rgb(240,240,240);
	background-color:rgb(240,240,240);*/
}

.nav_boton_title{
	padding:0;
	color:#EEE;
	padding-top:5px;
	display:block;
	position:relative;
	text-align:center;
	width:100%;
	text-shadow:0 0 3px rgba(0,0,0,0.5);
}

.categoria_titulo{
	text-align:center;
	padding:0.2em;
	/*border-top:2px solid rgba(255,255,255,0.2);
	border-bottom:2px solid rgba(255,255,255,0.2);*/
	margin:5px 0px;
	background: linear-gradient(to right, rgba(0,0,0,0) 0%,rgba(0,0,0,0.5) 50%,rgba(0,0,0,0) 100%);
}

.cantidad_elementos{
	padding:0 0.3em;
	vertical-align:auto;
	line-height:1.5em;
	float:none;
	position:absolute;
	top:0;
	right:0;
	min-width:1.5em;
	background-color:red;
	color:white;
	border-radius:1em 1em 1em 0;
}

.cantidad_elementos::before { 
    content: "";
}

.cantidad_elementos::after { 
    content: "";
}