css实现图片动画悬停效果
效果如下
内容包括
完整代码
//index.html代码：
// An highlighted block
<!DOCTYPE html>
<html>
<meta>
<meta http-equiv="content-type" content="text/html" charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no">
<title>卡片悬浮图文遮罩显示特效</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<div class="container">
<div class="card">
<div class="content">
<h2>春</h2>
<p>春雨绵绵,世间所有事物便喜乐起来了</p><br/>
<button>查看更多</button>
</div>
</div>
<div class="card">
<div class="content">
<h2>夏</h2>
<p>夏日炎炎,似乎太阳也变得傲娇起来首都机场都会成为必须</p><br/>
<button>查看更多</button>
</div>
</div>
<div class="card">
<div class="content">
<h2>秋</h2>
<p>秋果累累,农民们开始变得忙做着收成</p><br/>
<button>查看更多</button>
</div>
</div>
<div class="card">
<div class="content">
<h2>冬</h2>
<p>冬季到台北来看雪,我们在以后的日子里面都要变得发光起来</p><br/>
<button>查看更多</button>
</div>
</div>
</div>
</body>
</html>
//style.css代码：
// An highlighted block
*{
margin: 0;
padding: 0;
}
body{
/* 100%窗口高度*/
height: 100vh;
/*弹性布局，居中显示*/
display: flex;
justify-content: center;
align-items: center;
/*渐变背景*/
background: linear-gradient(200deg,#dbd3db,#07aae1,#06eac4);
}
.container{
border: 0px solid rgb(226, 221, 221);
display:flex;
justify-content: center;
align-items: center;
/*允许换行*/
flex-wrap: wrap;
}
.card{
position: relative;
width: 240px;
height: 350px;
margin: 10px;
display: flex;
align-items: flex-end;
text-align: center;
color: #f5f5f5;
/*阴影*/
box-shadow: 0 1px 1px rgba(0,0,0,1),
0 2px 2px rgba(0,0,0,1),
0 4px 4px rgba(0,0,0,1),
0 8px 8px rgba(0,0,0,1),
0 16px 16px rgba(0,0,0,1);
/*溢出隐藏*/
overflow:hidden;
}
.card::before{
content: "";
width: 100%;
height: 110%;
position:absolute;
top: 0;
left:0;
background-image: url();
background-size: cover;
background-position: 0 0;
/*过渡效果：css属性名 时长 贝塞尔曲线*/
transition: transform 1s cubic-bezier(0.19,1,0.22,1);
}
/*分别设置图片*/
.card:nth-child(1)::before{
background-image: url(image/1.jpg);
}
.card:nth-child(2)::before{
background-image: url(image/2.jpg);
}
.card:nth-child(3)::before{
background-image: url(image/3.jpg);
}
.card:nth-child(4)::before{
background-image: url(image/4.jpg);
}
.card::after{
content: "";
display: block;
width: 100%;
height: 200%;
background: linear-gradient(to bottom,
rgba(0,0,0,0)0%,
rgba(0,0,0,0.25)55%,
rgba(0,0,0,0.8)100%);
/*绝对定位*/
position: absolute;
left: 0;
top: 0;
transform: translateY(0);
/*过渡效果*/
transition: transform 1.42s cubic-bezier(0.19,1,0.22,1);
}
.card.content{
width:100%;
display: flex;
flex-direction: column;
align-items: center;
position: relative;
z-index: 1;
padding: 16px 8px;
transform: translateY(76%);
transition: transform 0.7s cubic-bezier(0.19,1,0.22,1);
}
.card h2{
font-size:23px;
font-weight: bold;
}
.card p{
font: size 20px;
/*字间距*/
letter-spacing: 1px;
width: 240px;
line-height: 25px;
margin-top: 15px;
text-align:center;
}
.card button{
cursor: pointer;
border: none;
background-color: rgba(0,0,0,0.5);
color:#fff;
padding: 12px 24px;
font-size: 12px;
font-weight: bold;
margin-top: 25px;
}
.card button:hover{
background-color: #000;
}
.card.content *:not(h2){
/*。content下，除了h2，其他元素隐藏并下移20px*/
opacity: 0;
transform: translateY(20px);
transition: transform 0.7s cubic-bezier(0.19,1,0.22,1),opacity 0.7s
cublic-bezier(0.19,1,0.22,1);
}
.card:hover{
align-items: center;
}
.card:hover::before{
transform:translateY(-5%);
}
.card:hover::after{
transform:translateY(-50%)
}
.card:hover .content{
transform:translateY(0);
}
.card:hover .content *:not(h2){
opacity: 1;
transform:translateY(0);
/*过渡效果延迟*/
transition-delay: 0.1s;
}
不足还请指教，小白一枚，仅做分享
