.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;
}

.w4-image{
	.w3-image;
	width: 100%; 
	height: auto;
}

.w4-image-dy-large {
	.w3-image;
    max-width: 280px;
    height: auto;
    width: 50vh;
}

.w4-image-dy-medium {
	.w3-image;
    max-width: 30em;
    height: auto;
    width: 40vh;
}

.w4-image-dy-small {
	.w3-image;
    max-width: 18em;
    height: auto;
    width: 40vh;
}