|
| 1 | +:root { |
| 2 | + --color1: pink; |
| 3 | + --color2: beige; |
| 4 | + --color3: lightcyan; |
| 5 | +} |
| 6 | +p { |
| 7 | + margin: 0px; |
| 8 | +} |
| 9 | + |
| 10 | +h1 { |
| 11 | + text-align: center; |
| 12 | + height: 20px; |
| 13 | + margin: 20px auto; |
| 14 | + color:lightsteelblue; |
| 15 | +} |
| 16 | + |
| 17 | +.wrapper { |
| 18 | + display: flex; |
| 19 | + margin:40px auto ; |
| 20 | + background-color: lightslategray; |
| 21 | + position: relative; |
| 22 | + height: 200px; |
| 23 | + justify-content: center; |
| 24 | + align-items: center; |
| 25 | + |
| 26 | + |
| 27 | +} |
| 28 | + |
| 29 | +#box-1, #box-2, #box-3 { |
| 30 | + width: 100px; |
| 31 | + height: 100px; |
| 32 | + margin: 20px auto; |
| 33 | + line-height:100px; |
| 34 | + text-align: center; |
| 35 | + animation-duration: 4s; |
| 36 | + animation-direction: reverse; |
| 37 | + animation-iteration-count: infinite; |
| 38 | + |
| 39 | +} |
| 40 | + |
| 41 | +#box-1 { |
| 42 | + background-color: pink; |
| 43 | + animation-name: change-color1; |
| 44 | +} |
| 45 | + |
| 46 | +#box-2 { |
| 47 | + background-color: beige; |
| 48 | + animation-name: change-color2; |
| 49 | + |
| 50 | +} |
| 51 | + |
| 52 | +#box-3 { |
| 53 | + background-color: lightcyan; |
| 54 | + animation-name: change-color3; |
| 55 | + |
| 56 | +} |
| 57 | + |
| 58 | +@keyframes change-color1 { |
| 59 | + 0% {background-color: var(--color1); |
| 60 | + transform: scale(1.0);} |
| 61 | + 25% {background-color: var(--color2); |
| 62 | + transform: scale(1.0);} |
| 63 | + 50% {background-color: var(--color3); |
| 64 | + transform: scale(1.0);} |
| 65 | + 75% {background-color: var(--color1); |
| 66 | + transform: scale(1.2);} |
| 67 | + 100% {transform: scale(1.0);} |
| 68 | +} |
| 69 | + |
| 70 | +@keyframes change-color2 { |
| 71 | + 0% {background-color: var(--color2); |
| 72 | + transform: scale(1.0);} |
| 73 | + 25% {background-color: var(--color3); |
| 74 | + transform: scale(1.0);} |
| 75 | + 50% {background-color: var(--color1); |
| 76 | + transform: scale(1.2);} |
| 77 | + 75% {background-color: var(--color2); |
| 78 | + transform: scale(1.0);} |
| 79 | + 100% {transform: scale(1.0);} |
| 80 | +} |
| 81 | + |
| 82 | +@keyframes change-color3 { |
| 83 | + 0% {background-color: var(--color3); |
| 84 | + transform: scale(1.0)} |
| 85 | + 25% {background-color: var(--color1); |
| 86 | + transform: scale(1.2);} |
| 87 | + 50% {background-color: var(--color2); |
| 88 | + transform: scale(1.0)} |
| 89 | + 75% {background-color: var(--color3); |
| 90 | + transform: scale(1.0)} |
| 91 | + 100% {transform: scale(1.0)} |
| 92 | +} |
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