CSSのみで星の輝く夜空を背景にする方法@keyframes move-twink-back { from {background-position:0 0;} to {background-position:-10000px 5000px;} } @-webkit-keyframes move-twink-back { from {background-position:0 0;} to {background-position:-10000px 5000px;} } @-moz-keyframes move-twink-back { from {background-position:0 0;} to {background-position:-10000px 5000px;} } @-ms-keyframes move-twink-back { from {background-position:0 0;} to {bac
Gravity Animated Poster
