.container .season .sun .rainbow - for (var i = 1; i <= 7; i++) .rainbow-colour .cloud-group - for (var i = 1; i <= 8; i++) .cloud .weather-container - for (var j = 1; j <= 20; j++) .snow - for (var k = 1; k <= 30; k++) .rain .base .bush-group - for (var i = 1; i <= 9; i++) .bush .rabbit.animated .head .ear .ear .tree-group .tree .trunk .tree-top .tree .trunk .tree-top .tree .trunk .tree-top .tree .trunk - for (var i = 1; i <= 12; i++) .branch .tree .trunk .tree-top .tree-top .branch-two .tree-top .branch-two .tree-top .branch-two .tree-top .tree .trunk .tree-top .tree .trunk .tree-top .tree .trunk .tree-top - for (var i = 1; i <= 20; i++) .cone .tree-top .tree-top .flower .flower-in .petal .petal .petal .flower .flower-in .petal .petal .petal .tree .trunk .tree-top .tree .trunk - for (var i = 1; i <= 10; i++) .branch .branch-in .pine-cone-row - for (var j = 1; j <= 7; j++) .pine-cone .tree .trunk .tree-top .tree-top .tree-top .tree .trunk .tree-top - for (var i = 1; i <= 20; i++) .cone .tree-top .tree-top .flower .flower-in .petal .petal .petal .flower .flower-in .petal .petal .petal .tree .trunk .tree-top .tree-top .tree-top .branch-two .tree-top .branch-two .tree-top .tree .trunk .tree-top - for (var i = 1; i <= 20; i++) .cone .tree-top - for (var i = 1; i <= 20; i++) .cone .tree-top - for (var i = 1; i <= 20; i++) .cone .tree .trunk .tree-top - for (var i = 1; i <= 20; i++) .cone .tree-top - for (var i = 1; i <= 20; i++) .cone .tree-top - for (var i = 1; i <= 40; i++) .cone

作品预览「CSS动画，四季变换」