.header_height{height:calc(100vh + 80px)}@media (min-width: 1024px){.header_height{height:auto}}.ball{animation:spin-clockwise 9.5s infinite linear;transform-origin:center}@keyframes spin-clockwise{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.ball1{animation:spin-clockwise-ball1 9.5s infinite linear;transform-origin:center}@keyframes spin-clockwise-ball1{0%{transform:rotate(0)}to{transform:rotate(-360deg)}}