div.wtag-img {
    position: relative;    
    display: inline-block;
    background-size: contain;
    background-position: 50% 50%;
    background-repeat: no-repeat;
    content: '';
}

div.wtag-img.expand {
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}

div.wtag-img.cover {
    background-size: cover;
}

div.wtag-img.top {
    background-position: 50% top;
}

div.wtag-img.bottom {
    background-position: 50% bottom;
}

div.wtag-img.left {
    background-position: left 50%;
}

div.wtag-img.right {
    background-position: right 50%;
}

div.wtag-img > * {
    position: absolute;
}

div.question-text-and-image {
    min-width: 50%;
    min-height: 50%;
}