.block-section-end{background-color:#000;height:40px;position:relative}.block-section-end:after{background-color:#fff;border-radius:0 0 30px 30px;content:"";display:block;height:40px;height:26px;left:0;position:relative;top:0;width:100%}@media (min-width:768px){.block-section-end:after{border-radius:0 0 50px 50px;height:40px}}