Which background will be visible in the div box if the following html markup is given:

 <div class="square" style="background-color: red !important;">
 </div>

and a CSS table is connected:

.square {
    width: 100px;
    height: 100px;
    background-image: url(img/square.jpg); /* picture size 100x100 pixels */
    background-color: black;
}