html, 
body{
    height: 100% !important;
}
body{
    font-family: 'Ropa Sans', sans-serif;
    font-size: 12px;
    color: #68666C;
    background-color: #1a1a1a;
    overflow-x: hidden;
}
*::-moz-selection{
    background: #FFEC00;
    color: #000000;
}
*::selection {
    background: #FFEC00;
    color: #000000;
}	

main{
    width: 100%;
    height: 100dvh;
    background-color: #21d7f7;
    background-image: url(../img/layout/superandynobros.png), url(../img/layout/calle.png);
    background-repeat: no-repeat, repeat-x;
    background-position: bottom, bottom;
    background-size: auto 196px, auto;
    /*image-rendering: -moz-crisp-edges;          Firefox */
    /*image-rendering: -o-crisp-edges;            Opera */
    image-rendering: -webkit-optimize-contrast;/* Webkit (non-standard naming) */
    image-rendering: crisp-edges;
    /*-ms-interpolation-mode: nearest-neighbor;   IE (non-standard property) */
}
main ul{
    margin: auto;
    width: 920px;
    height: 460px;
    padding-left: 20px;
    padding-right: 20px;
    margin-bottom: 50px;
}
main li{
    float: left;
    width: 218px;
    color: #FFFFFF;	
    margin-top: 50px;
    margin-right: 16px;
}
main li:last-child{
    margin-right: 0px;
}
main li.contacto{
    width: 188px;
    padding-left: 15px;
    padding-right: 15px;
    padding-top: 50px;
    padding-bottom: 25px;
    margin-top: 0px;
    background-color: #1F79BE;
    background-image: url(../img/layout/doblez.png);
    background-position: bottom right;
    background-repeat: no-repeat;
}
main h2{
    font-size: 24px;
    margin-bottom: 10px;
}
main h3{
    font-size: 16px;
    line-height: 20px;
    color: #BEF1FA;
}
main p{
    font-size: 16px;
    line-height: 20px;
}
main p a{
    color: #FFFFFF;
    text-decoration: none;
}
main li.contacto p a:hover{
    color: #C7DDEF;
}

@media screen and (max-width: 959px){
    main ul{
        width: 768px;
        padding-left: 0px;
        padding-right: 0px;
    }
    main li{
        width: 226px;
        margin-top: 50px;
        margin-left: 15px;
        margin-right: 15px;
    }
    main li.contacto{
        width: 188px;
        padding-left: 15px;
        padding-right: 15px;
        margin-top: 25px;
        margin-left: 0px;
        padding-top: 25px;
        padding-bottom: 25px;
    }
}

@media screen and (max-width: 767px){
    main ul{
        width: 640px;
        padding-left: 0px;
        padding-right: 0px;
    }
    main li{
        width: 198px;
        margin-top: 50px;
        margin-left: 15px;
        margin-right: 0px;
    }
    main li.contacto{
        width: 183px;
        padding-left: 15px;
        padding-right: 15px;
        margin-top: 25px;
        margin-left: 0px;
        padding-top: 25px;
        padding-bottom: 25px;
    }
}

@media screen and (max-width: 639px){
    main{
        background-size: auto 98px, 12px 11px;
    }
    main ul{
        width: 480px;
        height: 380px;
        padding-left: 0px;
        padding-right: 0px;
    }
    main li{
        width: 225px;
        margin-top: 50px;
        margin-left: 15px;
        margin-right: 0px;
    }
    main li.contacto{
        width: 195px;
        padding-left: 15px;
        padding-right: 15px;
        margin-top: 25px;
        margin-left: 0px;
        padding-top: 25px;
        padding-bottom: 25px;
    }
    main li h2{
        font-size: 22px;
        margin-bottom: 8px;
    }
    main li p{
        font-size: 14px;
        line-height: 16px;
    }
}

@media screen and (max-width: 479px){
    main{
        background-size: auto 98px, 12px 11px;
    }
    main ul{
        width: 320px;
        height: 560px;
        padding-left: 0px;
        padding-right: 0px;
    }
    main li{
        width: 225px;
        margin-top: 25px;
        margin-left: 15px;
        margin-right: 0px;
    }
    main li.contacto{
        width: 195px;
        padding-left: 15px;
        padding-right: 15px;
        margin-left: 0px;
        padding-top: 25px;
        padding-bottom: 25px;
    }
    main li h2{
        font-size: 22px;
        margin-bottom: 8px;
    }
    main li p{
        font-size: 14px;
        line-height: 16px;
    }
}