#chapterMenu {
    display: table;
    width: 100%;
}

#chapterMenu a {
    display: table-cell;
    height: 67px;
    color: #FFF;
    font-weight: bold;
    vertical-align: middle;
    font-size: 18px;
    padding: 0 55px 0 20px;
    line-height: 1.2;
    background:url('../imgs/play.png');
    background-repeat: no-repeat;
    background-position: right 9px center;
	font-family: Roboto;
}

@media only screen and (max-width: 1000px) {
    #chapterMenu a {
        padding: 0 30px 0 10px;
        font-size: 16px;
        background-position: right 10px center;
        background-size: 17px;
    }
}

@media only screen and (max-width: 767px) {
  #chapterMenu a {
        padding: 0 30px 0 10px;
        font-size: 16px;
        background-position: right 10px center;
        background-size: 17px;
    }
}

@media only screen and (max-width: 767px) {
    #chapterMenu a {
        display: inline-block;
    width: 25% !important;
    height: 50px !important;
    padding: 4px !important;
    font-size: 10px !important; 
    }

    #chapterMenu {
        width: calc(100% - 40px);
        float: right;
    }
    #chapterMenu a {
    padding: 0 30px 0 10px;
    font-size: 16px;
    background-position: bottom 5px center;
    background-size: 17px;
	}
}