@media screen and (max-width:1050px){
    #controls_box_pc {
        display: none;
    }

    #controls_box_smartphone {
        display: block;
    }

    #fullscreen{
        display: none;
        right: -30px;
        visibility: hidden;
    }
    
    #header_dev ul{
        width: 55%;
    }

    #controls #movil_txt{
        display: block;
        font-size: 50%;
        margin-bottom: 5%;
        text-align: left;
    }
    #reglas_txt{
        text-align: center;
        font-size:100%
    }

    #about_us{
        font-size: 105%;
        padding: 15% 5%;
    }
    p.developer{
        margin-top: 15%;
    }
    .background3{
        margin-top: -20%;
    }
    .background4{
        margin-top: -50%;
        padding-bottom: 100%;
        padding-top: 200%;
    }
    #authors{
        padding-top: 30%;
    }
}


@media screen and (max-width:600px){
    #Tetris1{
        width: min-content;
        height: max-content;
        margin: 20px;
        margin-top: -20%;
    }

    #title {
        height: 50%;
        width: 50%;

    }

    #controls_box_pc {
        display: none;
    }

    #controls_box_smartphone {
        display: block;
    }

    #navigator{
        grid-template-columns: none;
        
    }

    #fullscreen{
        display: none;
        right: -30px;
        visibility: hidden;
    }

    #navigator span{
        display: block;
    }

    #nGame{
        padding:  25px 60px 25px 60px;
        margin-top: 10%;
        margin-left: auto;
        margin-right: auto;
        
    }
    #nDev{
        padding:  25px 60px 25px 60px;
        margin-top: 30%;
        margin-left: auto;
        margin-right: auto;
    }
    #nAuthors{
        padding:  25px 60px 25px 60px;
        margin-top: 10%;
        margin-left: auto;
        margin-right: auto;
    }
    
    #letters h3{
        font-size: 150%;
    }
    canvas{
        width: 150px;
        margin: auto;
        box-sizing:border-box;
    }
    #canvas_1{
        width: 200px;
        margin-top: 200px;
    }
    #canvas_4{
        width: 100%;
    }
    
    #back{
        left: 5px;
        top: 10%;
        
        position:absolute;
        display: inline;
    }
    #music{
        left: 5px;
        top: 50px;
        
        position:absolute;
        display: inline;
    }
    #stop_video{
        left: 5px;
        top: 100px;
        
        position:absolute;
        display: inline;
    }

    #video iframe{
        padding-top: 90%;
        width: 75%;
        height: 200px;
    }

    #hoverme{
        visibility: hidden;
    }

    .leveler{
        grid-template-columns: 50% 50%;
    }

    .secondary img{
        margin: 0px 0px 10% 0px;
    }

    #header_dev{
        display: block;
        padding-bottom: 13%;
    } 

    #header_dev ul{
        margin-left: 20%;
        margin-top: -8%;
        padding-bottom: 2%;
    }

    #header_dev ul li h3{
        margin: 0px 15px;
        font-size: 95%;
    }

    .boton:active {
        border: 1px solid grey;
    }
    
    #rank_img{
        height: 100px;
    }
    .ranker{
        font-size: 80%;
    }

    .ranker p{
        margin: 20%;
        width: 300%;
    }   
    
    #toptier{
        margin: 0 10% 0 5%;
    }

    #loading span{
        margin-top: 350px;
    }
    .interactive{
        padding: 0;
        margin: 0;
    }

    #home iframe{
        padding-top: 90%;
        width: 90%;
        height: 300px;
    }

    #instructions p{
        
        font-size: 35%;
}

    #instructions{
        padding: 55% 5% 0% 5%;

    }

    #controls{
        padding: 0% 5%;
    }
    
    #controls p{
        display: block;
        color: white;
        font-family: Arial, Helvetica, sans-serif;
    }
    #controls img{
        margin-top: 70%;
    }

    #about_us{
        margin-top: 200px;
        min-height: 80vh;
        padding: 45% 5%;
        font-size: 55%;
        display: block;
    }
    

    #authors{
        row-gap: 20%;
        grid-template-columns: 50% 50%;
        padding-left: 8%;
        animation: fadein 3.5s forwards;
        padding-top: 0%;
    }

    #nia{
        grid-template-columns: 50% 50%;
        position: fixed;
        top: 50%;
        font-size: 80%;
        width: 100%;
        right: -5%;
    }
    #nia-1{
        margin-left: -8%;
    }

    #nia-3{
        margin-top: 115%;
        margin-left: -8%;
    }
    #nia-4{
        margin-top: 115%;
    }

    .background2{
        margin-top: -50%;
        padding-bottom: 50%;
    }
    .background3{
        margin-top: -50%;
    }

    .background4{
        margin-top: -150%;
        padding-bottom: 230%;
        padding-top: 250%;
    }

    
}