#expander {
    display: block;
    position: absolute;
    top: 26px;
    left: 0;
    background: #000;
    border: 2px solid #ccc;
    border-radius: 5px;
    padding: 20px;
    font-size: 30px;
    line-height: 30px;
    color: #ccc;
}

#expander:hover {
    background-color: #99132c;
    border: 2px solid #000;
}

#expander:active {
    color: #fff;
}

@media(min-width:200px) {
    #expander {
        padding: 10px;
        font-size: 15px;
        line-height: 15px;
    }
}

@media(min-width:300px) {
    #expander {
        padding: 15px;
        font-size: 20px;
        line-height: 20px;
    }
}

@media(min-width:400px) {
    #expander {
        padding: 15px;
        font-size: 25px;
        line-height: 25px;
    }
}

@media(min-width:500px) {
    #expander {
        padding: 17px;
        font-size: 30px;
        line-height: 30px;
    }
}

@media(min-width:1100px) {
    #expander {
        display: none;
    }
}