.buttons {
    position:absolute;
    top:280px;
    left:480px;
}

.buttons li {
    display:inline-block;
    background:url(../img/05_01_btn.png);
    background-size:100%;
    width:60px;
    height:60px;
    margin:0 10px;
    font-size:2em;
    line-height:60px;
    color:#FFF;
}

.buttons li.active {
	color:#000;
}