.head_visible{animation-delay:0ms;animation-name:animation_visible;animation-timing-function:ease-out;opacity:1;visibility:visible}.head_hidden,.head_visible{animation-duration:.3s;position:absolute;width:100%;z-index:1000000000}.head_hidden{animation-name:animation_hidden;animation-timing-function:ease-out;opacity:0;visibility:hidden}@keyframes animation_hidden{0%{opacity:1;visibility:visible}to{opacity:0;visibility:visible}}@keyframes animation_visible{0%{opacity:0}to{opacity:1}}