div.button-container:hover {
    cursor: pointer;
}
div.button-container {
    position: relative;
}
.upper-portion {
    font-family:'Avenir-Heavy';
    font-size: 20px;
}
div.button-container > div.upper-portion {
    z-index: 1;
    top: 0px;
    position: absolute;
    text-align: center;
    height: inherit;
    width: 100%;
    transition: top 0.25s;
    border-radius: inherit;
}
div.button-container:hover > div.upper-portion {
    top: 10px;
    transition: top 0.25s;
}
div.button-container > div.lower-portion {
    z-index: 0;
    top: 10px;
    position: absolute;
    height: inherit;
    width: 100%;
    border-radius: inherit;
}