.challenge-section{background:#d3d3d3;padding:80px 0}.banner{background:#d3d3d3;padding:160px 0 80px}.stagger-with-image,.sub-station{padding:80px 0}.banner .cta-box{margin-top:30px}.sub-station .col-image,.sub-station .section-title{text-align:center}.challenge-section .bottom,.sub-station .bottom{margin-top:80px}