ul.instagram-pics {
    margin: 0;
    padding: 0;
}
ul.instagram-pics li {
    list-style-type: none;
    width: 25%;
    float: left;
    margin: 4px;
    border-radius: 4px;
    border: 3px solid #999;
}
ul.instagram-pics li:hover { 
    border: 3px solid #fff;
 
}
.folow-insta {
    clear: both;
    margin: 5px;
    background-color: #044b7b;
    display: block;
    font-size: 14px;
    float: left;
    padding: 0px 10px;
    border-radius: 4px;
}