#preview {
    width: 100%;
    padding-top: 0;
    padding-left: 5%;
    margin: 0 auto;
}

.preview-tumb {
    width: 42%;
    float: left;
    display: inline;
    text-align: center;
    overflow: hidden;
    margin: 0 5px;
}

.preview-tumb a {
    display: block;
    padding: 8px 8px 5px 8px;
    background: #fcfcfc;
    text-decoration: none;
    color: #0e65a7;
    font-size: 12pt;
    font-family: Tahoma;
}

.preview-tumb a:hover {
    display: block;
    padding: 8px 8px 5px 8px;
    background: #51b5ea;
    text-decoration: none;
    color: #fff;
    font-size: 16pt; 
    font-family: Tahoma;
  -moz-transition: all 1s ease-in-out;
  -webkit-transition: all 1s ease-in-out;
  -o-transition: all 1s ease-in-out;
  transition: all 1s ease-in-out;
}