header{min-height:321px;color:#fff}header div.animovanePozadi{height:100%;background:linear-gradient(90deg, #231e29, #594f60, #231e29)}header div.animovanePozadi span.tvarCastice{background:radial-gradient(rgba(255, 255, 255, 0.3) 0, rgba(255, 255, 255, 0.3) 10%, transparent 50%, transparent 100%);border-radius:50%}