.thumbnail{display:block;padding:4px;margin-bottom:23px;line-height:1.846;background-color:#fff;border:1px solid #ddd;border-radius:3px;-webkit-transition:border .2s ease-in-out;-o-transition:border .2s ease-in-out;transition:border .2s ease-in-out}.thumbnail>img,.thumbnail a>img{margin-left:auto;margin-right:auto}a.thumbnail:hover,a.thumbnail:focus,a.thumbnail.active{border-color:#2196f3}.thumbnail .caption{padding:9px;color:#666}