.mySlides {display:none;}

.historyArrow{
    border-left: 1px solid #A9A9A9;
    position:relative;
    height:50px;
    left:50%;
	width:1px;
}

hr.line1{
    border-top: 1px solid #A9A9A9;
    width: 50%;
    margin: auto;
}