Edit in JSFiddle

<div class="app_selection">
    <ul>
        <li><a href="#">Item 1</a>

        </li>
        <li class="skitch"><a href="#">Item 2</a>

        </li>
        <li class="penultimate"><a href="#">Item 3</a>

        </li>
        <li class="webclipper"><a href="#">Item 4</a>

        </li>
        <li class="hello"><a href="#">Item 5</a>

        </li>
        <li class="food"><a href="#">Item 6</a>

        </li>
        <li class="clearly"><a href="#">Item 7</a>

        </li>
    </ul>
</div>

body {
    background-color: #585957;
}
.app_selection {
    margin: 0 auto;
    padding: 30px 0 15px;
    width: 100%;
}
.app_selection ul {
    margin-bottom: 25px;
}
.app_selection ul li {
    display: block;
    float: left;
    text-align: center;
    width: 12.5%;
    padding:5px;
}
.app_selection li a {
    background-image: url('http://placehold.it/103x55');
}
.app_selection ul li a {
    background-position: center 13px;
    background-repeat: no-repeat;
    color: #fff;
    display: block;
    font-weight: bold;
    line-height: 1.2em;
    min-height: 30px;
    padding-bottom: 10px;
    padding-top: 70px;
    text-align: center;
    text-shadow: 0 -1px 1px rgba(0, 0, 0, 0.8);
    width: 100%;
}
.app_selection ul li a:hover {
    background-color: #464746;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 5px 5px 5px 5px;
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.5) inset;
    text-decoration: none;
}
.app_section ul li a:focus {
    box-shadow: 0 8px 8px rgba(0, 0, 0, 0.9) inset;
}