#actividad{

	width: 90%;
	margin: 5% auto;
}

#actividad > *{
	display: inline-block;
	vertical-align: middle;
}

#sen{
	font-weight: bold;
}

#sen > li{
	padding:1% 0;
}

#sen > li > *{
	display: inline-block;
	font-weight: normal;
}

.sol{
	background-color: transparent;
	border: none;
	border-bottom: 1px solid #000;
	text-align: center;
	font-family: verdana;
}

.answer{
	visibility: hidden;
}

#buttons{
	float: right;
	margin-right: 5%;
	width: auto;
}
@media screen and (min-width: 768px) and (max-width: 1024px){
	.deco{
		display: none !important;
	}
	#sen{
		width: 85%;
	}
	#actividad #sen{
		margin: 0 10%;
	}
}
@media screen and (min-width: 1024px){
	#sen{
		width: 60%;	
	}
	#actividad > *{
		margin: 0 1%;
	}
	.deco{
		display: inline-block !important;
		border: 2px solid #1A9169;
		border-radius: 10px;
		width: 100%;
		max-width: 35%;
	}

}
#logo {
	position:absolute;
	background-image:url(../img/VU1.gif);
	width:170px;
	height:75px;
	left:40px;
}