#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;
}

#content h2,
#content h3 {
    color: #116881;
    padding-bottom: 5px;
    border-bottom: 1px solid #116881;
}

#content h4 {
    color: #116881;
    padding-bottom: 5px;
    border-bottom: 1px solid #116881;
}

#content div.section.white p {
    padding: 0px 30px 0px 30px;
}

#content article ol > li {
    opacity: 0;
    transition: opacity 3s;
    list-style: lower-alpha;
    margin-bottom: 30px;
}
#content > div:nth-child(5) > article > div:nth-child(2) > ul > li > div.collapsible-body > ol li{
    opacity: 0;
    transition: opacity 3s;
    list-style: none;
    margin-bottom: 30px;
}

.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;
    margin-left: 150px;
}

.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;
    color: #fff;
}

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:320px) {
    #content > div > header > div > h1 {
        font-size: 20px;
    }
    #content article .droppable {
        width: 100%;
        padding: 10px 0;
    }
}
#content h5 {
    color: #116881;
    padding-bottom: 5px;
}

.correct {
    border: 2px dotted #76ff03;
    border-radius: 5px;
}

.incorrect {
    border: #ff3d00 dotted 1px;
    border-radius: 5px;
}

.stilo {
    padding: 10px;
    margin-left: 6%;
    margin-right: 6%;
    background-color: rgba(60, 136, 160, 0.21);
    border-radius: 7px;
}

.stilo2 {
    padding: 10px;
    margin-left: 6%;
    margin-right: 6%;
    background-color: rgba(205, 234, 243, 0.31);
    border-radius: 7px;
}
a{
    overflow-wrap: break-word;
}
.dragble{
   background-color: #116881;
   border: 1px solid rgb(6, 84, 106);
   border-radius: 3px;
    vertical-align: middle;
   text-align: center;
   padding: 5px;
   margin: 3px;
   color: #FFF;
   -webkit-box-shadow: 3px 3px 3px 1px rgba(153, 153, 153, 0.46);
   box-shadow: 3px 3px 3px 1px rgba(153, 153, 153, 0.46);
   cursor: move;
   height: auto;
   width: 230px;
   display: inline-block;
   font-size: 70%;
   z-index: 80;
}
.draggable{
   background-color: #116881;
   border: 1px solid rgb(6, 84, 106);
   border-radius: 5px;
   vertical-align: middle;
   text-align: center;
   padding: 5px;
   margin: 3px;
   color: #FFF;
   -webkit-box-shadow: 3px 3px 3px 1px rgba(153, 153, 153, 0.46);
   box-shadow: 3px 3px 3px 1px rgba(153, 153, 153, 0.46);
   cursor: move;
   height: auto;
    width: auto;
   display: inline-block;
   font-size: 70%;
   z-index: 80;
}
.droppable{
    background-color: rgba(105, 178, 199, 0.34);
    height: 40px;
    display: inline-block;
    padding: 5px;
    min-width: 100px;
    text-align: center;
    vertical-align: middle;
    border: 1px rgba(17, 104, 129, 0.5) solid;
    border-radius: 5px;
    z-index: 10;
    margin: 5px;
}
.droppa.correct{
    border: 1px #22c764 solid;
}
.dropble{
    background-color: rgba(105, 178, 199, 0.54);
    min-height: 40px;
    display: inline-block;
    padding: 5px;
    min-width: 100px;
    text-align: center;
    vertical-align: middle;
    border: 1px #116881 solid;
    z-index: 10;
    margin: 5px;
}
.dropble.correct{
    border: 1px #22c764 solid;
}
.stil{
    vertical-align: middle;
    padding: 20px 0px;
    background-color: rgba(105, 178, 199, 0.14);
    margin-bottom: 30px;
}
#content > div:nth-child(13) > article > div.row > div:nth-child(2) > div p {
    opacity: 1;
    color: 116881;
}

#content > div:nth-child(9) > article > div.row > div > div > p{
    opacity: 1;
}
#content > div:nth-child(7) > article > div > ol > li{
    opacity: 0;
    transition: opacity 3s;
    list-style-type: decimal;
    margin-left: 15px;
    margin-bottom: 15px;
    color: #000;
}
#r1, #r2{
    border: none;
    border-bottom: 1px solid #9e9e9e;
    outline: 0;
    height: 3rem;
    font-size: 1rem;
    margin: 0 0 20px;
    padding: 0;
    text-align: center;
    box-shadow: none;
    box-sizing: content-box;
    transition: all .3s;
    width: 115px;
}
#content > div:nth-child(9) > article > div > ul > li > div.collapsible-header {
    background-color: #116881;
    color: #fff;
}
#content > div:nth-child(9) > article > div > ul > li > div.collapsible-body p {
    padding-top: 10px;
    padding-bottom: 10px;
}