#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 h1 {
    line-height: 65px;
}

#content h2 {
    color: #116881;
    padding-bottom: 5px;
    border-bottom: 1px solid #116881;
}

#content h3 {
    color: #116881;
    padding-bottom: 5px;
}

#content h4 {
    color: #116881;
    padding: 0px 20px 5px 20px;
}

#content article ol>li,
center img,
div form.select-without-retro,
div.col.s12.m6 img,
#content article table,
#content article ul>li,
ul.collapsible,
center strong,
.check {
    opacity: 1;
    transition: opacity 3s;
}

#content article ul>li {
    /*list-style-type: disc;*/
    padding-left: 1%;
    margin-left: 10%;
}

#content article p {
    padding: 0px 20px 5px 20px;
}

.correcto {
    border: 2px dotted #76ff03;
    border-radius: 5px;
    width: 30%;
}

.incorrecto {
    border: #ff3d00 dotted 2px;
    border-radius: 5px;
    width: 30%;
}

#content form p>label.opcion {
    font-size: 100%;
    color: #116881;
}

.txt_shadow {
    text-shadow: #131A49 2px 3px;
}

.c_azul0 {
    background-color: #9ED3E2;
}

.c_azul1 {
    background-color: #69b2c7;
}

.c_azul1:hover {
    background-color: #4394aa;
}

.c_azul2 {
    background-color: #4394aa;
}

.c_azul3 {
    background-color: #116881;
}

.c_azul3:hover {
    background-color: #4394aa;
}

.centrar {
    text-align: center;
}

.img_style {
    margin: 10px 0;
    padding: 0px 30px 0px 30px;
}

.h_azul2 {
    color: #4394aa;
}

.fraction {
    display: inline-block;
    vertical-align: middle;
    margin: 0 0.2em 0.4ex;
    text-align: center;
}

.fraction>span {
    display: block;
    padding-top: 0.15em;
}

.fraction span.fdn {
    border-top: thin solid black;
}

.fraction span.bar {
    display: none;
}

input.retro_positiva {
    background-color: #20B828;
    border-radius: 5px;
    color: #fff;
}

input.retro_negativa {
    background-color: #EA1D20;
    border-radius: 5px;
    color: #fff;
}

#content article div.retro>p {
    display: none;
}

#content article div.retro>p.correct {
    /*color: #0F0;*/
    color: #20B828;
}

#content article div.retro>p.incorrect {
    color: #F00;
}

footer div.footer-copyright div p {
    color: #fff;
}

@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;
    }
}

#content>div:nth-child(7)>article>div:nth-child(2)>ol>li {
    list-style-type: lower-alpha;
    color: #116881;
    margin-left: 10%;
}

#content>div:nth-child(5)>article>div:nth-child(1)>ol>li {
    color: #116881;
    margin-left: 10%;
}

#content>div:nth-child(5)>article>div>ol>li>span {
    color: #383D39;
}

#content>div:nth-child(9)>article>div>ul>li>div.collapsible-header>span {
    color: #116881;
    font-size: x-large;
}

#content>div:nth-child(9) {
    min-height: 700px;
}

#content>div>article>div>ol>li>span>br {
    display: none;
}

@media(max-width:1485px) {
    #content>div>article>div>ol>li>span>br.w1485 {
        display: block;
    }
}

@media(max-width:1250px) {
    #content>div>article>div>ol>li>span>br {
        display: block;
    }
}

@media (max-width: 928px) {
    #main>div h1 {
        font-size: 30px;
    }
}

@media (max-width: 880px) {
    #content h1 {
        line-height: 45px;
    }
    .reducir-texto {
        font-size: 13px;
    }
}

@media (max-width: 500px) {
    #content h1 {
        font-size: 27px;
    }
}

@media(max-width:320px) {
    #content>div>header>div>h1 {
        font-size: 20px;
    }
    #content article .droppable {
        width: 100%;
        padding: 10px 0;
    }
}

#content h5 {
    color: #116881;
    padding-bottom: 5px;
}

.c_azul004 {
    background-color: rgba(158, 211, 226, 0.21);
    padding: 10px;
    text-align: center;
}

th {
    text-align: center;
    background: #116881;
    color: #fff;
    font-size: 85%;
    padding: 10px;
}

td {
    text-align: center;
    color: #116881;
}

tr {
    border: 1px solid #116881;
}

.fraction>span {
    display: block;
    padding-top: 0.15em;
}

.fraction span.fdn {
    border-top: thin solid black;
}

.fraction span.bar {
    display: none;
}

.tabla_responsive {
    overflow-x: auto;
}

table.bords td {
    border: 1px solid #116881;
}

div ol li {
    margin-left: 30px;
}

#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: 150px;
}

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

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

table {
    border-collapse: collapse;
}

table,
th,
td {
    border: 1px solid black;
}

ul li {
    list-style: disc;
}

table.formulas td {
    min-width: 50%;
}