#main>div.col.s12:nth-child(1) {
    background: url(../images/plantilla_head.jpg) no-repeat center center;
    background-size: cover;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
}

h1.valign {
    color: #fff;
}

h5.colaps {
    color: #516f60;
    font-family: 'Antic', sans-serif;
    font-weight: bold;
    border-left: 5px solid #516f60;
    margin: 3px;
    padding: 10px;
}

.centered>thead>tr>th {
    background-color: #7aa6a9;
    border: 1px solid #fff;
    font-family: 'Antic', sans-serif;
    font-size: 18px;
    font-weight: normal;
    color: #fff;
    width: 50%;
}

.collapsible {
    background-color: #ffff;
}

.collapsible-header {
    display: block;
    cursor: pointer;
    min-height: 3rem;
    line-height: 3rem;
    padding: 0 1rem;
    background-color: #7aa6a9;
    border-bottom: 1px solid #7aa6a9;
    font-family: 'Antic', sans-serif;
    font-size: 22px;
    color: #fff;
}

span.draggable {
    padding: 5px;
    margin: 5px;
    border-radius: 3px;
    cursor: move;
    font-size: 18px;
    background-color: #ffffff;
}

span.droppable {
    display: block;
}

.ui-droppable-hover {
    background-color: #aab692;
    border-radius: 3px;
}

.ui-droppable>span {
    display: block;
    font-size: 25px;
    font-weight: bold;
    color: #7aa6a9;
}

.contenido-acordeon p {
    font-size: 1.2rem;
}

@media(max-width:1400px) {
    .contenido-acordeon {
        padding-top: 52%;
        padding-left: 0px;
        font-size: 1.6rem;
    }
}

@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: 35px;
    }
}

.col.s12.m12 ul li {
    margin-left: 60px;
}

iframe,
ul li,
table,
center img,
ul.collapsible,
li.radio-group {
    opacity: 1;
    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: 100px;
}

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

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

.dere {
    float: right;
}

.tabs {
    display: flex;
    overflow-x: auto;
    height: 60px;
    background-color: #7a6148;
    margin: 0 auto;
}

.placeholder {
    color: #a2b1aa;
}

.tabs .tab {
    line-height: 48px;
    text-transform: uppercase;
    letter-spacing: .8px;
    color: #a3c8bb;
}

.tabs .tab a {
    color: #6ad4a0;
}

.tabs .indicator {
    position: absolute;
    bottom: 0;
    height: 4px;
    background-color: #6ad4a0;
    will-change: left, right;
}

.tabs .tab a:hover {
    color: #fff;
}

#test1,
#test2,
#test3,
#test4,
#test5,
#test6,
#test7,
#test8,
#test9,
#test10 {
    background-color: #ece3d0;
}

.col_80 {
    float: left;
    position: relative;
    width: 80%;
    margin: 0 10%;
}

img.responsive-img {
    max-width: 80%;
    height: auto;
    margin-top: 35px;
    margin-bottom: 20px;
}

.cite{
    font-size: 14px;
    padding: 30px;

}