#splitter {
    flex: 1;
    display: flex;
    overflow: hidden;

    #vsplitbar {
        width: 30px;
        border-left: 2px solid #999;
        border-right: 2px solid #999;
        cursor: pointer;  
        background: #C1C1C1; 
        cursor: col-resize;
        display: flex;
        align-items: center;
        justify-content: center;

        &:hover {
            background-color: #E6E6E6;
        }

        &.active {
            p {
                &::before {content: "▼";}
                &::after {content: "▼";}
            }
        }
        
        p {
            font-size: 12px;
            -moz-transform: rotate(270deg);
            -moz-transform-origin: 50% 50%;
            -webkit-transform: rotate(270deg);
            -webkit-transform-origin: 50% 50%; 
            -o-transform: rotate(-270deg);
            -o-transform-origin:  bottom left;
            filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=1);
            margin: 0;
            white-space: nowrap;

            &::before {
                content: "▲";
                margin-right: 1em;
            }
            &::after {
                content: "▲";
                margin-left: 1em;
            }
        }
    }
}