.media-heading-text{
    color:white;
    font-weight:600;
}
.media-caption-text{
    color:white;
    position:absolute;
    bottom:0;
    z-index:2;
    text-align:left;
    padding:.5em;
}

.media-caption-background {
    background: #000000;
    opacity:.5;
    bottom: 0;
    float: left;
    position: absolute;
    width: 100%;
    z-index: 1;
}