.draganddrop {
    position: absolute;
    z-index: 99999;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    background-color: rgba(255, 255, 255, 0);
    color: #000;
    text-align: center;
    transition: background-color 0.25s ease-out;
}

.draganddrop.over {
    display: block;
    background-color: rgba(255, 255, 255, .5);
}

.draganddrop > span {
    padding: 16px 8px;
    background-color: rgba(0, 0, 0, 0);
    color: #fff;
    font-size: 15px;
    font-weight: bold;
    position: relative;
    top: 150px;
    transition: background-color 0.25s ease-out;
    border-radius: 8px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}

.draganddrop.over > span {
    background-color: rgba(0, 0, 0, .75);
}