#photoDiv {
    background: no-repeat 50% 50%;
    height: 100%;
    cursor: pointer;
}

::-moz-selection {
    /* Code for Firefox */
    background: transparent;
}

::selection {
    background: transparent;
}

#leftArrow {
    position: absolute;
    left: 50px;
    top: 50%;
    color: darkgrey;
    font-size: 72px;
    font-family: monospace;
}

#rightArrow {
    position: absolute;
    right: 50px;
    top: 50%;
    color: darkgrey;
    font-size: 72px;
    font-family: monospace;
}