css3鼠标悬停图片内部放大和阴影特效

这是一款css3鼠标悬停图片内部放大和阴影特效。该特效在鼠标悬停在图片上面的时候，图片已中心为原点进行放大，然后显示出遮罩层，并且图片周边会有阴影变化效果。

使用方法

HTML结构

<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>
</div>
                

CSS样式

.box{
    font-family: 'Kanit', sans-serif;
    text-align: center;
    border: 10px solid #fff;
    box-shadow: 1px 1px 2px #e6e6e6;
    overflow: hidden;
    position: relative;
}
.box:hover{ box-shadow: 13px 13px 15px rgba(0, 0, 0, 0.3); }
.box:before{
    content: "";
    background: linear-gradient(to left top,#11998e,#38ef7d);
    height: 100%;
    width: 100%;
    opacity: 0;
    position: absolute;
    left: 0;
    top: 0;
    transition: all 0.4s linear;
}
.box:hover:before{ opacity: 1; }
.box img{
    width: 100%;
    height: auto;
    transition: all 0.4s linear;
}
.box:hover img{
    opacity: 0;
    transform: scale(3);
}
.box .box-content{
    color: #fff;
    width: 100%;
    transform: translateY(-50%) scale(0);
    position: absolute;
    top: 50%;
    left: 0;
    transition: all 0.4s linear;
}
.box:hover .box-content{ transform: translateY(-50%) scale(1); }
.box .title{
    font-size: 25px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin: 0;
}
.box .post{
    font-size: 16px;
    text-transform: capitalize;
}
.box .icon{
    padding: 0;
    margin: 0;
    list-style: none;
    position: absolute;
    right: 8px;
    bottom: 10px;
}
.box .icon li{
    display: inline-block;
    margin: 0 1px;
    opacity: 0;
    transform: scale(1.3);
    transition: all 0.3s ease 0.4s;
}
.box:hover .icon li{
    opacity: 1;
    transform: scale(1);
}
.box:hover .icon li:nth-child(2){ transition: all 0.3s ease 0.2s; }
.box .icon li a{
    color: #11998e;
    background: #fff;
    font-size: 16px;
    line-height: 33px;
    height: 33px;
    width: 33px;
    border-radius: 50%;
    display: block;
    transition: all 0.5s ease;
}
.box .icon li  a:hover{
    color: #fff;
    background-color: #11998e;
    box-shadow: 0 0 5px #000;
}
@media only screen and (max-width:990px){
    .box { margin: 0 0 30px; }
}