#main > div.col.s12:nth-child(1) {
	-webkit-background-size: cover;
	-moz-background-size: cover;
	-o-background-size: cover;
	background-size: cover;
	background: url(../images/plantilla_head.jpg) no-repeat center center;
}
@media(min-width:601px) and (max-width:992px) {
	#main > div.col.s12:nth-child(1) {
		background: url(../images/plantilla_head.jpg) no-repeat center center;
		-webkit-background-size: cover;
		-moz-background-size: cover;
		-o-background-size: cover;
		background-size: cover;
	}
}
@media(max-width:600px) {
	#main > div.col.s12 {
		min-height: 200px;
	}
	#main > div.col.s12:nth-child(1) {
		background: url(../images/plantilla_head.jpg) no-repeat center center;
		-webkit-background-size: cover;
		-moz-background-size: cover;
		-o-background-size: cover;
		background-size: cover;
	}
	#content .section:nth-child(1) > article .col.s12:nth-child(1) > div.col.s12 img,
	#content footer.page-footer .container .row img {
		display: block;
		margin: 10px auto;
		width: 200px;
	}
	#main > div.col.s12:nth-child(2) {
		padding-top: 20px;
	}
	#content footer.page-footer div.footer-copyright {
		min-height: 106px;
	}
}

@media(max-width:430px) {
	#main > div h1, #content > div > header > div > h1, h3 {
		font-size: 37px;
	}
}

table, td, th {
	border: outset;
	font-size: 16px;
}

a.cite {
	word-break: break-word;
}

.cortar {
	word-wrap: break-word;
}

.droppable {
	padding: 10px;
	border-style: solid;
	border-color: #b8553b;
    width: 170px;
    height: 33px;
    display: inline-block;
}

@media(max-width:700px) {
	.droppable {
		width: 80px;
	}
}

td ul li {
    margin-left: 60px;
}

blockquote.center.parrafo, div.card.blue-grey.darken-1, center img, table, ul li, ol li {
	opacity: 0;
	transition: opacity 3s;
}

#r1_c, #r2_c, #r3_c, #r4_c, #r5_c, #r6_c, #r7_c, #r8_c {
    border: none;
    border-bottom: 1px solid #9e9e9e;
    outline: 0;
    height: 3rem;
    font-size: 1rem;
    margin: 0 0 10px;
    padding: 0;
    text-align: center;
    box-shadow: none;
    box-sizing: content-box;
    transition: all .3s;
    width: 130px;
}

ul li, ol li {
    margin-left: 63px;
}

input.correct{
    background-color: #20B828;
    border-radius: 7px;
    color: #fff;
}
input.incorrect{
    background-color: #ff3d00;
    border-radius: 7px;
    color: #fff;
}

span.droppable, .ui-droppable>span {
	display: inline-block;
}