.photo .list{
    margin:15px;
}
.photo .list li{
    width: 223px;
    float: left;
    margin-right: 15px;
    margin-bottom: 15px;
    background: #f2f2f2;
    overflow: hidden;

    
    -webkit-transition: all .5s ease-in-out;
    -moz-transition: all .5s ease-in-out;
    -ms-transition: all .5s ease-in-out;
    -o-transition: all .5s ease-in-out;
    transition: all .5s ease-in-out;
    border-radius: 3px;
}
.photo .list li:nth-child(4n){
    margin-right: 0px;
}
.photo .list li .p-img{
    width: 100%;
    height: 155px;
    overflow: hidden;
}
.photo .list li img{
    width: 100%;
    height: 100%;
    
    -webkit-transition: all .5s ease-in-out;
    -moz-transition: all .5s ease-in-out;
    -ms-transition: all .5s ease-in-out;
    -o-transition: all .5s ease-in-out;
    transition: all .5s ease-in-out;
}
.photo .list li img:hover{
    
    -webkit-transform: scale(1.5);
    -moz-transform: scale(1.5);
    -ms-transform: scale(1.5);
    -o-transform: scale(1.5);
    transform: scale(1.5);
    
    
}
.photo .list li .p-title{
    line-height: 20px;
    padding:10px;
    text-align: center;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.photo .list li:hover{
    box-shadow: 0px 0px 15px #aaa;
    border-radius: 3px;
}