CSS3鼠标悬停图片遮罩层变形动画特效

这是一款CSS3鼠标悬停图片遮罩层变形动画特效。该特效在鼠标悬停在图片上面的时候，遮罩层会变形为半圆形，同时出现提示标题等信息。

使用方法

在HTML文件中引入。

  
<link rel="stylesheet" type="text/css" href="css/bootstrap-grid.min.css" />
<link href="https://cdn.bootcss.com/font-awesome/5.11.2/css/all.min.css" rel="stylesheet">  
                

HTML结构

<div class="demo">
    <div class="container">
        <div class="row">
            <div class="col-md-4 col-sm-6">
                <div class="box">
                    <img  src="images/img-1.jpg">
                    <div class="box-content">
                        <h3 class="title">Williamson</h3>
                        <span class="post">Web designer</span>
                    </div>
                    <ul class="icon">
                        <li><a href="#"><i class="fa fa-search"></i></a></li>
                        <li><a href="#"><i class="fa fa-link"></i></a></li>
                    </ul>
                </div>
            </div>
            <div class="col-md-4 col-sm-6">
                <div class="box">
                    <img  src="images/img-2.jpg">
                    <div class="box-content">
                        <h3 class="title">Miranda Roy</h3>
                        <span class="post">Web developer</span>
                    </div>
                    <ul class="icon">
                        <li><a href="#"><i class="fa fa-search"></i></a></li>
                        <li><a href="#"><i class="fa fa-link"></i></a></li>
                    </ul>
                </div>
            </div>
            <div class="col-md-4 col-sm-6">
                <div class="box">
                    <img  src="images/img-3.jpg">
                    <div class="box-content">
                        <h3 class="title">Steve Thomas</h3>
                        <span class="post">Web developer</span>
                    </div>
                    <ul class="icon">
                        <li><a href="#"><i class="fa fa-search"></i></a></li>
                        <li><a href="#"><i class="fa fa-link"></i></a></li>
                    </ul>
                </div>
            </div>
        </div>
    </div>
</div>
                

CSS样式

.demo{padding: 50px 0;}
.box{
    font-family: 'Ubuntu', sans-serif;
    overflow: hidden;
    position: relative;
}
.box:before{
    content: '';
    background: #3498db;
    width: 100%;
    height: 100%;
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    transition: all 0.4s ease;
}
.box:hover:before{
    height: 70%;
    border-radius: 0 0 250px 250px;
    box-shadow: 0 0 20px #000;
    opacity: 0.9;
}
.box img{
    width: 100%;
    height: auto;
    transition: all 0.45s;
}
.box:hover img{
    opacity: 0.8;
    filter: hue-rotate(180deg);
}
.box .box-content{
    color: #fff;
    text-align: center;
    width: 100%;
    padding: 0 30px;
    opacity: 0;
    transform: translateX(-50%);
    position: absolute;
    top: 25%;
    left: 50%;
    z-index: 1;
    transition: all 0.4s ease;
}
.box:hover .box-content{ opacity: 1; }
.box .title{
    font-size: 23px;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin: 0 0 2px;
}
.box .post{
    font-size: 16px;
    text-transform: capitalize;
}
.box .icon{
    padding: 0;
    margin: 0;
    list-style: none;
    transform: translateX(-50%);
    position: absolute;
    left: 50%;
    bottom: 10px;
}
.box .icon li{
    display: inline-block;
    margin: 0 2px;
    transform: translateX(-200px);
    transition: all 0.4s ease;
}
.box .icon li:nth-child(2){ transform: translateX(200px); }
.box:hover .icon li{ transform: translateX(0); }
.box .icon li a{
    color: #fff;
    background-color: #3498db;
    font-size: 14px;
    text-align: center;
    line-height: 30px;
    height: 35px;
    width: 35px;
    border: 3px solid #fff;
    display: block;
    transition: all 0.3s;
}
.box .icon li  a:hover{
    color: #3498db;
    background-color: #fff;
    border-radius: 50%;
}
@media only screen and (max-width:990px){
    .box { margin: 0 0 30px; }
}