#drawer-left {
    position: fixed; left: 0; top: 0; padding: 0; margin: 0; float: left;
    width: 280px; height: 100%;
    /*background-color: #FFFFFF;*/
    z-index: 15; overflow: hidden;
    webkit-box-shadow: 0 2px 5px 0 rgba(0,0,0,.16), 0 2px 10px 0 rgba(0,0,0,.12);
    box-shadow: 0 2px 5px 0 rgba(0,0,0,.16), 0 2px 10px 0 rgba(0,0,0,.12);
}

#drawer-overlay {
    display: block; position: fixed; left: 0; top: 0;
    width: 100%; height: 100%;
    background-color: rgba(0,0,0, 0.1);
    z-index: 14;
}

#main,#editor-main {
    display: block; position: relative; padding: 0; margin: 0;
    width: 100%; height: 100%;
    z-index: 0;
}
#editor-main {
    width: calc(100%);
}

#main-content {
    /*margin-top: 16px;*/
    /*height: calc(100% - 64px);*/
    overflow: hidden;
}
#main-content-editor {
    /*margin-top: 16px;*/
    height: calc(100% - 136px);
    overflow: hidden;
    padding-top: 16px;
}

#action-bar {
    padding: 0; margin: 0;
    width: 100%;
    z-index: 3;
}

/* Pantallas pequeñas (menores o iguales a 576px) */
@media (max-width: 576px) {
    #drawer-left {
        display: none;
        width: 0;
    }
    #main {
        width: 100%;
    }
    .big-font {
        font-size: 1.75rem;
    }
}

/* Pantallas medianas (entre 577px y 999px) */
@media (min-width: 577px) and (max-width: 999px) {
    #drawer-left {
        display: none;
        width: 0px;
    }
    .big-font {
        font-size: 2rem;
    }
}

/* Pantallas grandes (mayores o iguales a 1000px) */
@media (min-width: 1000px) {
    #drawer-left {
        display: block;
        width: 280px;
    }
    #main {
        width: 100%;	
    }
    .big-font {
        font-size: 3rem;
    }
}