html, body {
    height: 100%;
}

.full-height {
    height: 90%;
}

.spacer {
    height: 55px;
}

#btnAdd {
    position: relative;
    left: 80px;
    bottom: 2px;
    background-color: yellow;
}
.titleTxt {
    padding-top: 35px;
    bottom: 0
}