.rul_wrapper {
    position: absolute;
    height: 100%;
    width: 100%;
    overflow: hidden;
    pointer-events: none;
}

.rul_wrapper * {
    -webkit-user-select: none;
    /* Chrome all / Safari all */
    -moz-user-select: none;
    /* Firefox all */
    -ms-user-select: none;
    /* IE 10+ */
    /* No support for these yet, use at own risk */
    -o-user-select: none;
    user-select: none;
}

.rul_ruler {
    display: block;
    position: absolute;
    border: 1px solid rgba(206, 219, 236, .5);
    background-color: rgba(0, 0, 0, 0.2);
    pointer-events: all;
    filter: blur(0);
    -webkit-filter: blur(0);
    z-index: 1000;

}

.rul_corner {
    pointer-events: all;
    position: absolute;
    background-color: lightgray;
    z-index: 1010;
    cursor: pointer;
    font-size: 0.75rem;
    color: #000;
    text-align: center;
}

.rul_corner:hover {
    background-color: lightgray;
    color: red;
}

.rul_cornerTL {
    top: 0;
    left: 0;
    border-bottom: 1px solid rgba(206, 219, 236, .5);
    border-right: 1px solid rgba(206, 219, 236, .5);
}

.rul_cornerTR {
    top: 1px;
    right: 1px;
    border-bottom: 1px solid rgba(206, 219, 236, .5);
    border-left: 1px solid rgba(206, 219, 236, .5);
}

.rul_cornerBL {
    bottom: 1px;
    left: 1px;
    border-top: 1px solid rgba(206, 219, 236, .5);
    border-right: 1px solid rgba(206, 219, 236, .5);
}

.rul_cornerBR {
    bottom: 1px;
    right: 1px;
    border-top: 1px solid rgba(206, 219, 236, .5);
    border-left: 1px solid rgba(206, 219, 236, .5);
}

.rul_ruler_Vertical {
    cursor: ew-resize;
    border-left: none;
}

.rul_ruler_Horizontal {
    cursor: ns-resize;
    border-top: none;
}

.rul_line {
    position: absolute;
    color: transparent;
    background-color: transparent;
    border-bottom: 1px solid red;
    border-left: 1px solid red;
    pointer-events: all;
    z-index: 1000;
}

.rul_line_dragged {
    border: 1px dotted #6B7587;
}

.rul_line:hover {
    border-bottom: 1px solid #236E77;
    border-left: 1px solid #236E77;
}

.rul_lineVer {
    top: 0;
    bottom: 0;
}

.rul_lineVer:hover {
    cursor: ew-resize;
}

.rul_lineHor {
    right: 0;
    left: 0;
}

.rul_lineHor:hover {
    cursor: ns-resize;
}

.rul_tooltip:after {
    background: transparent;
    /*#3bb7c7*/
    color: red;
    /*white*/
    /*border: 1px solid rgba(0, 0, 0, 0.2);*/
    font-size: 12px;
    content: attr(data-tip);
    top: 50%;
    left: 50%;
    margin-top: 1px;
    margin-left: 1px;
    padding: 2px 5px;
    position: absolute;
    z-index: 10001;
    min-width: 45px;
}

.rul_tracker {
    height: 1px;
    width: 1px;
    background: red;
    /*#3bb7c7*/
    position: absolute;
    pointer-events: none;
}