div.tasmanian {
    background: black;
    min-height: 400px;
    background-image: url('../images/tasmanianrectangle.png');
    background-size: 365px auto;
    background-position: center;
    background-position-x: center;
    background-position-y: center;
    background-repeat: no-repeat;
    position: relative;
}

    div.tasmanian div.button {
        position: absolute;
        bottom: 40px;
        right: 32px
    }