<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/animate.css/4.1.1/animate.min.css">
<link href="https://cdnjs.cloudflare.com/ajax/libs/meyer-reset/2.0/reset.min.css" rel="stylesheet">
<style>@charset "utf-8";
/*==================================================
シャッ
===================================*/
/*背景色が伸びて出現 共通*/
.bgextend {
animation-name: bgextendAnimeBase;
animation-duration: 1s;
animation-fill-mode: forwards;
position: relative;
overflow: hidden; /* はみ出た色要素を隠す */
opacity: 0;
}
@keyframes bgextendAnimeBase {
from {
opacity: 0;
}
to {
opacity: 1;
}
}
/*中の要素*/
.bgappear {
animation-name: bgextendAnimeSecond;
animation-duration: 2s;
animation-delay: 0.6s;
animation-fill-mode: forwards;
opacity: 0;
}
@keyframes bgextendAnimeSecond {
0% {
opacity: 0;
}
100% {
opacity: 1;
}
}
/*--------- 左から --------*/
.bgLRextend::before {
animation-name: bgLRextendAnime;
animation-duration: 1s;
animation-fill-mode: forwards;
content: "";
position: absolute;
width: 100%;
height: 100%;
background-color: rgba(255, 255, 255, 0.3); /*伸びる背景色の設定*/
}
@keyframes bgLRextendAnime {
0% {
transform-origin: left;
transform: scaleX(0);
}
50% {
transform-origin: left;
transform: scaleX(1);
}
50.001% {
transform-origin: right;
}
100% {
transform-origin: right;
transform: scaleX(0);
}
}
/*--------- 右から --------*/
.bgRLextend::before {
animation-name: bgRLextendAnime;
animation-duration: 1s;
animation-fill-mode: forwards;
content: "";
position: absolute;
width: 100%;
height: 100%;
background-color: rgba(255, 255, 255, 0.3); /*伸びる背景色の設定*/
}
@keyframes bgRLextendAnime {
0% {
transform-origin: right;
transform: scaleX(0);
}
50% {
transform-origin: right;
transform: scaleX(1);
}
50.001% {
transform-origin: left;
}
100% {
transform-origin: left;
transform: scaleX(0);
}
}
/*--------- 下から --------*/
.bgDUextend::before {
animation-name: bgDUextendAnime;
animation-duration: 1s;
animation-fill-mode: forwards;
content: "";
position: absolute;
width: 100%;
height: 100%;
background-color: rgba(255, 255, 255, 0.3); /*伸びる背景色の設定*/
}
@keyframes bgDUextendAnime {
0% {
transform-origin: bottom;
transform: scaleY(0);
}
50% {
transform-origin: bottom;
transform: scaleY(1);
}
50.001% {
transform-origin: top;
}
100% {
transform-origin: top;
transform: scaleY(0);
}
}
/*--------- 上から --------*/
.bgUDextend::before {
animation-name: bgUDextendAnime;
animation-duration: 1s;
animation-fill-mode: forwards;
content: "";
position: absolute;
width: 100%;
height: 100%;
background-color: rgba(255, 255, 255, 0.3); /*伸びる背景色の設定*/
}
@keyframes bgUDextendAnime {
0% {
transform-origin: top;
transform: scaleY(0);
}
50% {
transform-origin: top;
transform: scaleY(1);
}
50.001% {
transform-origin: bottom;
}
100% {
transform-origin: bottom;
transform: scaleY(0);
}
}
/*========= レイアウトのためのCSS ===============*/
body {
vertical-align: middle;
text-align: center;
width: 100%;
height: 100vh;
background-repeat: no-repeat;
background-position: center;
background-size: cover;
background-image: linear-gradient(
100.6deg,
rgba(218, 185, 252, 1) 22%,
rgba(125, 89, 252, 1) 80%
);
}
.flex {
display: flex;
flex-wrap: wrap;
}
.bgextend {
width: 220px;
padding: 20px;
margin: 0 20px 20px 0;
box-sizing: border-box;
}</style>
</head>
<body>
<body>
<!--シャッ-->
<div class="flex">
<div class="bgextend bgLRextend">
<span class="bgappear">
<img src="http://localhost:10072/wp-content/uploads/demos/_assets/webnavi1.png" width="100" />
<br>背景色が伸びて出現<br>（左から）</span>
</div>
<div class="bgextend bgRLextend">
<span class="bgappear">
<img src="http://localhost:10072/wp-content/uploads/demos/_assets/webnavi1.png" width="100" />
<br>背景色が伸びて出現<br>（右から）</span>
</div>
<div class="bgextend bgDUextend">
<span class="bgappear">
<img src="http://localhost:10072/wp-content/uploads/demos/_assets/webnavi1.png" width="100" />
<br>背景色が伸びて出現<br>（下から）</span>
</div>
<div class="bgextend bgUDextend">
<span class="bgappear">
<img src="http://localhost:10072/wp-content/uploads/demos/_assets/webnavi1.png" width="100" />
<br>背景色が伸びて出現<br>（上から）</span>
</div>
</div>
<script>
</script>
</body>
</html>