.entryCurtainElem {
    position: fixed;
    background-color: #3b3b3b;
    opacity: 0.7;
    z-index: 5001;

    &.top {
        width: 100%;
        top: 0;
        left: 0;
        right: 0;
    }
    &.right {
        right: 0;
        bottom: 0;
    }
    &.bottom {
        left: 0;
        bottom: 0;
    }
    &.left {
        left: 0;
    }
    .transition(opacity 0.4s ease-in-out);
}

.hideTooltip>.entryCurtainElem {
    opacity: 0;
}

.entryCurtainCloseBtn {
    width: 22px;
    height: 22px;
    position: fixed;
    z-index: 10001;
    right: 22px;
    top: 22px;
    .backgroundImage("curtain_close.png");
    background-repeat: no-repeat;
    background-color: transparent;
    border: none;
}