@font-face {
    font-family: Nunito-Bold;
    src: url("../fonts/Nunito-Bold.ttf");
}

#botonera{
    bottom:3%;
}

.ggb_contenidoInterno{
    background:url("../img/bg_02.png") no-repeat;
    background-size:cover;
}

.nav_btns{
    position:absolute;
    width: 29%;
    height: 12%;
    right: 3%;
    top: 12%;
}

.nav_btns img{
    height:100%;
    display:inline-block;
}

h3{
    font-family:Nunito-Bold;
}
#inicio_actividad{
    position:absolute;
    width:80%;
    left:10%;
    top: 23%;
}

.title{
    font-size:4em;
    padding:1% 0 0 4%;
    margin:0;
    color:#9DAE86;
}

.subtitle{
    color:#697459;
    font-size:3em;
    margin:0;
    padding:1% 0 0 4%;
}

.video_container{
    position:absolute;
    width:89%;
    height:59%;
    left:5.5%;
    top:28%;
}

.icons{
    width: 92.4%;
    margin: 2% 0 0 4%;
}

.icons_descriptions{
    width:92%;
    margin:0 0 0 4%;
    color:#697459;
}

.icons_descriptions h3{
    width:27%;
    display:inline-block;
    text-align:center;
    margin:1% 0 0 0;
    margin-right:6%;
    font-size:2.0em;
    vertical-align:top;
}

.icons_descriptions h3:last-of-type{
    margin-right:3%;
    margin-left:3%;
    font-family:
}

.video_container img{
    position:absolute;
    width:15%;
    left:42%;
    top:20%;
}

.video_container img:hover{
    cursor:pointer;
    width:15.5%;
    opacity:0.85;
}

.video_container img:active{
    transform:scaleY(0.8);
    -webkit-transform:scaleY(0.8);
    -moz-transform:scaleY(0.8);
    -ms-transform:scaleY(0.8);
}

.video_container iframe{
    width:100%;
    height:100%;
    display:none;
}

#activity_description{
    width:92.5%;
    height:80%;
    background:rgba(255, 255, 255, 0.5);
    margin:1% 0 0 4%;

}

#activity_description h3{
    padding:1% 2%;
    font-size:2.4em;
    text-align:justify;
}

#tabla_periodica{
    width:85%;
    margin:2%
}

#bottom_title{
    position:absolute;
    font-size:3em;
    bottom:5%;
    left:0%;
}

.popup{
    position:absolute;
    top:0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index:4;
    display:none;
    background:rgba(0, 0, 0, 0.5);
    border-radius:15px 15px 0 0;
}

#popup_correct{
    z-index:3;
}

.popup img{
    position:absolute;
}


.popup img:first-of-type{
    padding:1%;
    width:94%;
    margin-left:2%;
}

#popup_correct img:first-of-type{
    height:96%;
    width:auto;  
    margin-left:15%; 
}

.btn_close{
    right:3.8%;
    top:5%;
    width:5%;
}

#popup_correct .btn_close{
    right:18%;
    top:3%;
}

.btn_close:hover{
    cursor:pointer;
    opacity:0.85;
}

.btn_close:active{
    transform:scaleY(0.8);
    -moz-transform:scaleY(0.8);
    -ms-transform:scaleY(0.8);
    -webkit-transform:scaleY(0.8);
}

.drag_container{
    position:absolute;
    width:3.2%;
    height:43%;
    top:36%;
    z-index:4;
}

.drag_container img{
    margin-bottom:25%;
    width:100%;
}

.drag_container img:hover{
    cursor:pointer;
    opacity:0.85;
    transform:scale(1.1);
}

#drag_container_1{
    left:69%;
}

#drag_container_2{
    left:81.1%;
}

.drag{
    width:100%;
}

.drop{
    position:absolute;
    width:3.1%;
    height:6.4%;
}

.drop img{
    width:100%;
}

#drop_hidrogeno{
    top: 19.6%;
    left:4.5%;
}

#drop_carbono{
    top: 26.2%;
    left: 46.42%;
}

#drop_oxigeno{
    top: 26.2%;
    left: 52.85%;
}

#drop_titanio{
    top:39.4%;
    left: 14.15%;
}

#drop_hierro{
    top:39.4%;
    left:27%;
}

#drop_cobre{
    top:39.4%;
    left: 36.8%;
}

#drop_bromo{
    top:39.4%;
    left: 56.1%;
}

#drop_plata{
    top:46.1%;
    left: 36.8%;
}

#drop_oro{
    top:52.6%;
    left: 36.8%;
}

#drop_astato{
    top:52.6%;
    left: 56.1%;
}