.dirStyle, .fileStyle {
    background-color: rgba(0,0,0,0.64);
    display: block;
    float: left;
    width: 8em;
    height: 8em;
    overflow: hidden;
    padding: 0.5em;
    margin: 1em;
    color: #ffffff;
    text-align: center;
    font-size: 1.2em;
    cursor: pointer;
}

.iconImg {
    width: 6em;
    height: 4em;
    margin-top: 1em;
    margin-left: 1em;
    margin-right: 1em;
}


.dirStyle:hover, .fileStyle:hover, .iconImg:hover {
    background: rgba(0, 0, 0, 1);
}
