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在我的项目中，当主页打开时，它应该运行一个CSS动画，以便立方体的脸部打开。动画完成后，脸部应该保留。所以我需要修改此代码，因为它是打开然后关闭的面。他们打开后，脸部应该保持在屏幕上而不是关闭。如何让这个CSS3动画显示第一帧并在动画完成后保持可见状态？
我该怎么做？
.sk-folding-cube {
margin: 20px auto;
width: 40px;
height: 40px;
position: relative;
-webkit-transform: rotateZ(45deg);
transform: rotateZ(45deg);
}
.sk-folding-cube .sk-cube {
float: left;
width: 50%;
height: 50%;
position: relative;
-webkit-transform: scale(1.1);
-ms-transform: scale(1.1);
transform: scale(1.1);
}
.sk-folding-cube .sk-cube:before {
content: '';
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: #333;
-webkit-animation: sk-foldCubeAngle 2.4s 1 linear both;
animation: sk-foldCubeAngle 2.4s 1 linear both;
-webkit-transform-origin: 100% 100%;
-ms-transform-origin: 100% 100%;
transform-origin: 100% 100%;
}
.sk-folding-cube .sk-cube2 {
-webkit-transform: scale(1.1) rotateZ(90deg);
transform: scale(1.1) rotateZ(90deg);
}
.sk-folding-cube .sk-cube3 {
-webkit-transform: scale(1.1) rotateZ(180deg);
transform: scale(1.1) rotateZ(180deg);
}
.sk-folding-cube .sk-cube4 {
-webkit-transform: scale(1.1) rotateZ(270deg);
transform: scale(1.1) rotateZ(270deg);
}
.sk-folding-cube .sk-cube5 {
-webkit-transform: scale(1.1) rotateZ(360deg);
transform: scale(1.1) rotateZ(360deg);
}
.sk-folding-cube .sk-cube5 {
-webkit-transform: scale(1.1) rotateZ(360deg);
transform: scale(1.1) rotateZ(360deg);
}
.sk-folding-cube .sk-cube2:before {
-webkit-animation-delay: 0.3s;
animation-delay: 0.3s;
}
.sk-folding-cube .sk-cube3:before {
-webkit-animation-delay: 0.6s;
animation-delay: 0.6s;
}
.sk-folding-cube .sk-cube4:before {
-webkit-animation-delay: 0.9s;
animation-delay: 0.9s;
}
.sk-folding-cube .sk-cube5:before {
-webkit-animation-delay: 1.2s;
animation-delay: 1.2s;
}
.sk-folding-cube .sk-cube6:before {
-webkit-animation-delay: 1.5s;
animation-delay: 1.5s;
}
@-webkit-keyframes sk-foldCubeAngle {
0%, 10% {
-webkit-transform: perspective(140px) rotateX(-180deg);
transform: perspective(140px) rotateX(-180deg);
opacity: 0;
}
25%,
75% {
-webkit-transform: perspective(140px) rotateX(0deg);
transform: perspective(140px) rotateX(0deg);
opacity: 1;
}
90%,
100% {
-webkit-transform: perspective(140px) rotateY(180deg);
transform: perspective(140px) rotateY(180deg);
opacity: 0;
}
}
@keyframes sk-foldCubeAngle {
0%, 10% {
-webkit-transform: perspective(140px) rotateX(-180deg);
transform: perspective(140px) rotateX(-180deg);
opacity: 0;
}
25%,
75% {
-webkit-transform: perspective(140px) rotateX(0deg);
transform: perspective(140px) rotateX(0deg);
opacity: 1;
}
90%,
100% {
-webkit-transform: perspective(140px) rotateY(180deg);
transform: perspective(140px) rotateY(180deg);
opacity: 0;
}
}<html>
<head>
<link href="style.css" rel="stylesheet">
<title>Open Cube</title>
<h1>Apertura Cubo</h1>
</head>
<body>
<div class="sk-folding-cube">
<div class="sk-cube1 sk-cube"></div>
<div class="sk-cube2 sk-cube"></div>
<div class="sk-cube4 sk-cube"></div>
<div class="sk-cube3 sk-cube"></div>
<div class="sk-cube5 sk-cube"></div>
<div class="sk-cube6 sk-cube"></div>
</div>
</body>
</html>UPDATE
我需要有像结果屏幕上的画面
您需要将必要的帧添加到它的反向最终回到该位置。我还更新了这个问题，以更具体地说明你现在问的问题。 –