文章内容
2021/5/26 16:58:19,作 者: 黄兵
css transition 旋转
下面实现了一个旋转的效果，具体css代码如下：
.mat-expansion-indicator {
transition: transform .2s ease-in-out;
}
.mat-expansion-panel-spacing .mat-expansion-indicator {
transform: rotate(180deg);
}
transition展开属性如下：
transition-property: transform;
transition-duration: 0.2s;
transition-timing-function: ease-in-out;
transition-delay: 0s;
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