.tab-pane {
    min-height: 60px;
    position: relative;
}
.tab-pane .overlay {
    position: absolute;
    display: block;
    padding: 20px 0;
    width: 100%;
    text-align: center;
    background-color: rgba(255, 255, 255, .35);
}

.select2, .select2-hidden-accessible {
    width: 100% !important;
}