.filter-area {float:left;width:25%;background:rgba(255,254,248,1);z-index:1000}
.filter-button {display:none;width:calc(100% - 8px);height:50px;margin:10px auto 15px;line-height:50px;text-align:center;font-size:22px;color:rgba(255,255,255,.9);background:rgba(21,19,17,.9)}


@media screen and (max-width:885px)
{
	.filter-area {float:none;position:fixed;left:-100%;top:51px;width:calc(100% - 20px);height:calc(100% - 51px);overflow-y:scroll;box-shadow:0 0 4px 0 rgba(0,0,0,.8)}
	.filter-button {display:block}
}