.panelHeader{color:#fff;padding:15px;border-top-left-radius:5px;border-top-right-radius:5px;background-color:#343a40}.panelFooter{background-color:#343a40;border-bottom-left-radius:5px;border-bottom-right-radius:5px;padding-top:25px;padding-bottom:25px}.panelBody{background-color:#fff;padding:25px}body{background:radial-gradient(#000 15%,transparent 16%) 0 0,radial-gradient(#000 15%,transparent 16%) 8px 8px,radial-gradient(hsla(0,0%,100%,.1) 15%,transparent 20%) 0 1px,radial-gradient(hsla(0,0%,100%,.1) 15%,transparent 20%) 8px 9px;background-color:#282828;background-size:16px 16px}