res.style

bar {
    position: absolute;
    background-clip: content-box;
    cursor: ew-resize;
}

.resizable {
    width: 100%;
    height: 100%;
    &__vertical {
        display: flex;
        flex-direction: column;
        height: inherit;
        &__barBotton{
            bottom: 0px;
            width: 100%;
            height: 2px;
            cursor: ns-resize;
        }   
        &__horisontal {
            display: flex;
            height: inherit;
            &__content {
                height: inherit;
                width: 100%;
            }
            &__barRight {
                top: 0;
                bottom: 0;
                right: 0;
                width: 2px;
                height: 100%; 
                justify-self: flex-end;
            }
        }
    }
}

@mixin theme-resizable($theme) {
    $color: map-get($theme, color);
    $primary:  map-get($color, primary);
    $background:  map-get($primary, 100);
    .bar {
        background-color: $background;
    }
}