#photoMenu {
    display: table;
    margin: 0 auto 30px auto;
    border-collapse: collapse;
    height: 450px;
    width: 800px;
    overflow: hidden;
}

.PMligne {
    display: table-row;
    height: 150px;
    transition: height 0.5s ease-in 0.7s;
}

.PMligne:hover {
    height: 300px;
}

#photoMenu a, #photoMenu a:link, #photoMenu a:visited {
    display: table-cell;
    padding: 0;
    width: 250px;
    background-position: center;
    vertical-align: bottom;
    text-align: center;
    text-decoration: none;
    transition: width 0.5s ease-in 0.2s;
    overflow: hidden;
}

#photoMenu a:hover, #photoMenu a:active {
    width: 550px;
}

#photoMenu a > div {
    display: block;
    background-color: white;
    opacity: 0.8;
}

#photoMenu a > div > span {
    display: block;
    margin: 0 auto;
    width: 240px;
    color: black;
    font-size: 1.2em;
    font-weight: bold;
    white-space: nowrap;
    overflow: hidden;
}