我遇到了 CSS3 动画的问题。
.child {
opacity: 0;
display: none;
-webkit-transition: opacity 0.5s ease-in-out;
-moz-transition: opacity 0.5s ease-in-out;
transition: opacity 0.5s ease-in-out;
}
.parent:hover .child {
opacity: 0.9;
display: block;
}
此代码仅在我删除 display
的更改时才有效。
我想在悬停后立即更改显示,但应该使用过渡更改不透明度。
最佳答案
根据 Michaels 的回答,这是要使用的实际 CSS 代码
.parent:hover .child
{
display: block;
-webkit-animation: fadeInFromNone 0.5s ease-out;
-moz-animation: fadeInFromNone 0.5s ease-out;
-o-animation: fadeInFromNone 0.5s ease-out;
animation: fadeInFromNone 0.5s ease-out;
}
@-webkit-keyframes fadeInFromNone {
0% {
display: none;
opacity: 0;
}
1% {
display: block;
opacity: 0;
}
100% {
display: block;
opacity: 1;
}
}
@-moz-keyframes fadeInFromNone {
0% {
display: none;
opacity: 0;
}
1% {
display: block;
opacity: 0;
}
100% {
display: block;
opacity: 1;
}
}
@-o-keyframes fadeInFromNone {
0% {
display: none;
opacity: 0;
}
1% {
display: block;
opacity: 0;
}
100% {
display: block;
opacity: 1;
}
}
@keyframes fadeInFromNone {
0% {
display: none;
opacity: 0;
}
1% {
display: block;
opacity: 0;
}
100% {
display: block;
opacity: 1;
}
}
关于css - 如何过渡 CSS 显示 + 不透明度属性,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/8449933/