staghrm6/public/v-splitter-px/v-splitter.css

.v-split {
    position: absolute;
    /*height: 100%;*/
    width: 6px;
    background: gray;
    opacity: 0.3;
    box-sizing: border-box;
    cursor: ew-resize;
    z-index: 2;
    margin-left: 3px;
    border-radius: 3px;
    margin-top: 2px;
    height: calc(100% - 4px);
}
.v-moving .v-split-active, .v-split:hover {
    opacity: 0.5;
}

.v-moving .v-split-panel {
    pointer-events: none;
}