纯CSS3鼠标悬停图片炫酷动画特效

这是一款纯CSS3鼠标悬停图片炫酷动画特效。该特效中，当鼠标悬停在图片上面时，通过CSS3来制作炫酷的遮罩层动画特效。

使用方法

在页面中引入下面的bootstrap和font-awesome文件。

<link  href="/path/to/bootstrap.css" rel="stylesheet">
<link  href="/path/to/font-awesome.css" rel="stylesheet">
                

HTML结构

基本HTML DOM元素结构如下。

<div class="container">
    <div class="row">
        <div class="col-md-4 col-sm-6">
            <div class="box">
                <img src="images/img-1.jpg" alt="">
                <div class="box-content">
                    <div class="content">
                        <span class="post">Web developer</span>
                        <h3 class="title">Steve Thomas</h3>
                    </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 class="col-md-4 col-sm-6">
            <div class="box">
                <img src="images/img-2.jpg" alt="">
                <div class="box-content">
                    <div class="content">
                        <span class="post">Web designer</span>
                        <h3 class="title">Kristina</h3>
                    </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

然后通过下面的CSS样式来制作鼠标悬停遮罩层的动画特效。

:root{
    --color_1: #fff;
    --main-color: #1dd1a1;
}
.box{
    font-family: 'Niramit', sans-serif;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.box:before,
.box:after,
.box-content:before,
.box-content:after{
    content: '';
    background: linear-gradient(transparent,rgba(0,0,0,0.9));
    height: 100%;
    width: 25%;
    transform: translateY(-100%);
    position: absolute;
    left: 0;
    top: 0;
    z-index: 1;
    transition: all 0.3s;
}
.box:hover:before,
.box:hover:after,
.box:hover .box-content:before,
.box:hover .box-content:after{
    transform: translateY(0);
}
.box:after{ left: 25%; }
.box .box-content:before{ left: 50%; }
.box .box-content:after{ left: 75%; }
.box:hover:before{ transition-delay: 0.225s; }
.box:hover:after{ transition-delay: 0.075s; }
.box:hover .box-content:before{ transition-delay: 0.15s; }
.box:hover .box-content:after{ transition-delay: 0s; }
.box img{
    width: 100%;
    height: auto;
    transition: all 0.3s ease 0s;
}
.box:hover img{ filter: grayscale(100%); }
.box .box-content{
    width: 100%;
    height: 100%;
    position: absolute;
    bottom: 0;
    left: 0;
    transition: all 0.2s;
}
.content{
    width: 100%;
    padding: 7px 0;
    opacity: 0;
    position: absolute;
    left: 0;
    bottom: -30px;
    z-index: 2;
    transition: all 0.3s ease 0.1s;
}
.box:hover .content{
    opacity: 1;
    bottom: 5px;
}
.box .title{
    color:#fff;
    font-size: 25px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin: 0;
}
.box .post{
    color: var(--main-color);
    font-size: 16px;
    font-style: italic;
    text-transform: capitalize;
    letter-spacing: 1px;
    margin-bottom: 10px;
    display: block;
}
.box .icon{
    padding: 0;
    margin: 0;
    list-style: none;
    transform: translateX(-50%);
    position: absolute;
    top: 15px;
    right: -10px;
    z-index: 2;
    transition: all 0.5s ease 0.3s;
}
.box .icon li{
    opacity: 0;
    transform: scale(0) rotate(360deg);
    transition: all 400ms;
}
.box:hover .icon li{
    opacity: 1;
    transform: scale(1) rotate(0);
}
.box .icon li a{
    color: var(--color_1);
    background-color: var(--main-color);
    font-size: 20px;
    line-height: 40px;
    height: 40px;
    width: 40px;
    margin-bottom: 10px;
    border-radius: 50%;
    display: block;
    position: relative;
    transition: all 0.3s;
}
.box .icon li a:hover{
    text-decoration: none;
    color: var(--main-color);
    background-color: var(--color_1);
    border-radius: 0 20px 0 20px;
}
@media only screen and (max-width:990px){
    .box{ margin-bottom: 30px; }
}
@media only screen and (max-width:479px){
    .box .title{ font-size: 20px; }
}