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如何转换z索引?

css-transitions css html

Vitto · 技术社区 · 8 年前

https://jsfiddle.net/vaf6nv36/1/

气球图像能在苹果图像上缓慢过渡吗?

我认为我需要更多的过渡参数,或者我应该使用不透明度?

有人能帮我吗?

HTML:

<div class="img1">

</div>

<div class="img2">
                    
</div>

CSS:

.img1, .img2{
   border: 1px solid black;
   transition: 1s;
   position: absolute;
}

.img1{
    left: 25%;
    height: 500px;
    width: 500px;
    z-index: 1;
    background-image: url(http://cdn.pcwallart.com/images/balloons-photography-vintage-wallpaper-1.jpg);
   }

.img2{
  right: 25%;
  width: 500px;
  height: 500px;
  bottom: 0;
  z-index: 2;
  background-image:  url(https://i.pinimg.com/736x/c1/7b/15/c17b150e93c4e9c50d963b076484bee7--apple-wallpaper-iphone-wallpaper.jpg);
}

.img1:hover{
       z-index: 999;
}

3 回复 | 直到 6 年前

Johannes 8 年前

虽然理论上你可以过渡 z-index z指数 opacity

DIV 与相同 img2 .img3 z-index: 0

.img1:hover + .img2 {
  opacity: 0;
}

这将淡出img2,但仍显示img3,但它是 在…的后面 img1,在img1和img2之间创建过渡的印象。

https://jsfiddle.net/2a2epLfv/1/

.img1,
.img2,
.img3 {
  border: 1px solid black;
  transition: 1s;
  position: absolute;
}

.img1 {
  left: 20%;
  height: 300px;
  width: 300px;
  z-index: 1;
  background-image: url(http://cdn.pcwallart.com/images/balloons-photography-vintage-wallpaper-1.jpg);
}

.img2,
.img3 {
  right: 20%;
  width: 300px;
  height: 300px;
  top: 100px;
  background-image: url(https://i.pinimg.com/736x/c1/7b/15/c17b150e93c4e9c50d963b076484bee7--apple-wallpaper-iphone-wallpaper.jpg);
}

.img2 {
  z-index: 2;
}

.img3 {
  z-index: 0;
}

.img1:hover+.img2 {
  opacity: 0;
}

<div class="img1"></div>
<div class="img2"></div>
<div class="img3"></div>

MarioZ 8 年前

.img1, .img2{

  border: 1px solid black;
    transition: 1s;
    position: absolute;
}

.img1{
    left: 25%;
    height: 500px;
    width: 500px;
    z-index: 1;
    transform: scale(0.9);
    opacity: 0.5;
    background-image: url(http://cdn.pcwallart.com/images/balloons-photography-vintage-wallpaper-1.jpg);
}

.img2{
    right: 25%;
    width: 500px;
    height: 500px;
    bottom: 0;
    z-index: 2;
    background-image:  url(https://i.pinimg.com/736x/c1/7b/15/c17b150e93c4e9c50d963b076484bee7--apple-wallpaper-iphone-wallpaper.jpg);
}

.img1:hover{
    animation: fronte 1s linear forwards; 
}

@keyframes fronte {
  from { z-index: 0; transform: scale(0.9); opacity: 0.5; }
  to { z-index: 4; transform: scale(1.1); opacity: 1; }
}

<div class="img1">
</div>
<div class="img2">
</div>

Federico 8 年前

.minus{animation:move 2s;animation-fill-mode:forwards;animation-delay:2s;}

@-webkit-keyframes move {
  0 {z-index:1;opacity:1}
  50% {opacity:0}
  100% { z-index:-1;opacity:1}
}
@keyframes move {
  0 {z-index:1;opacity:1}
  50% {opacity:0}
  100% {z-index:-1;opacity:1}
}

#main{background:red;width:100vw;height:100vh;position:fixed;top:0;left:0;opacity:.9}
.minus{position:fixed;top:10px;left:10px;z-index:1;color:#000}

<div id="main"></div>
<div class="minus">FADE</div>