.section-banner {
	background: url("https://media.smeal.psu.edu/cms/opal/www/sections/banners/trading-room/trading-room.png") no-repeat scroll center top #333;
    min-height: 300px;
    overflow: hidden;
    width: 100%;
    -moz-background-size: cover;
    background-size: cover;
}