.at-pageHeader {font-size: 24px; line-height: 42px;}body.flat {box-sizing: border-box; position: absolute;}.at-pageHeader, .dijitContentPane.at-pageHeader {background-color: transparent;}.flat {background-color: rgb( 28, 79, 168 ); background-image : url( '../images/greywedgelateral.png' ); background-size: 100%; background-position: bottom left; background-repeat: no-repeat;}.flat .dijitContentPane {background-color: transparent;}.flat .at-selectorTree {background-color: white;}