@-o-keyframes open{0% {height:110px} 100% {height:280px}}
@-moz-keyframes open{0% {height:110px} 100% {height:280px}}
@-webkit-keyframes open{0% {height:110px} 100% {height:280px}}
@keyframes open{0% {height:110px} 100% {height:280px}}
.top-activity-open-video{-o-animation:open 1s forwards;-moz-animation:open 1s forwards;-webkit-animation:open 1s forwards;animation:open 1s forwards}

@-o-keyframes close{0% {height:280px} 100% {height:110px}}
@-moz-keyframes close{0% {height:280px} 100% {height:110px}}
@-webkit-keyframes close{0% {height:280px} 100% {height:110px}}
@keyframes close{0% {height:280px} 100% {height:110px}}
.top-activity-close-video{-o-animation:close 1s forwards;-moz-animation:close 1s forwards;-webkit-animation:close 1s forwards;animation:close 1s forwards}