92 lines
1.9 KiB
CSS
92 lines
1.9 KiB
CSS
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* {
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/* 清除默认样式 */
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margin: 0;
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padding: 0;
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}
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body {
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/* 定义变量 */
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--img-width: 5.625rem;
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--img-height: 100vh;
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}
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.container {
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/* 设为flex容器 */
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display: flex;
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/* 设置子元素水平居中 */
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justify-content: center;
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/* 设置子元素垂直居中 */
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align-items: center;
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/* 设置容器宽高为整个可视区的宽高 */
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width: 100vw;
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height: 100vh;
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background-color: #eeffff;
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}
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.grid-container {
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position: relative;
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/* 设为grid容器 */
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display: grid;
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/* 设置为4列，列宽为200px（图片宽度） */
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grid-template-columns: repeat(4, var(--img-width));
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/* 设为两行，行高为270px（图片高度） */
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grid-template-rows: repeat(1, var(--img-height));
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/* 设置行列间距为20px */
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gap: 0.3125rem;
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/* 设置观测距离 Z=0 平面*/
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perspective: 1600px;
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/* 设置观测位置 */
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perspective-origin: 50% 50%;
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}
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.grid-item {
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position: relative;
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transition: transform 2s ease-in-out;
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transform-style: preserve-3d;
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}
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/* 可以为每个 item 设置不同延迟 */
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.grid-item:nth-child(1) {
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transition-delay: 0s;
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}
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.grid-item:nth-child(2) {
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transition-delay: 0.2s;
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}
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.grid-item:nth-child(3) {
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transition-delay: 0.4s;
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}
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.grid-item:nth-child(4) {
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transition-delay: 0.6s;
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}
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.grid-item.flipped {
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transform: rotateY(180deg);
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}
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.grid-item:hover {
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/* 沿Y轴旋转180° */
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transform: rotateY(180deg);
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}
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.img-front,
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.img-back {
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/* 设为绝对定位 */
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position: absolute;
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/* 距离父元素上边距和左边距均为0 */
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top: 0;
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left: 0;
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/* 图片的默认大小（父盒子的宽高） */
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width: 100%;
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height: 100%;
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border-radius: 6px;
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box-shadow: 0 0 6px 1px #666;
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/* 设置图片背面不可见 */
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-webkit-backface-visibility: hidden;
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backface-visibility: hidden;
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}
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.img-front {
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/* 提高堆叠顺序 */
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z-index: 2;
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}
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.img-back {
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/* 卡片反面图默认背面朝向观察者 */
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transform: rotateY(-180deg);
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}
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