src/main/java/org/fit/layout/cssbox/BoxNode.java
@Override
    public int getLeftBorder()
    {
        Box box = getBox();
        if (box instanceof ElementBox)
            return ((ElementBox) box).getBorder().left;
        else
            return 0;
    }
@Override
    public int getLeftBorder()
    {
        Box box = getBox();
        if (box instanceof ElementBox)
            return ((ElementBox) box).getBorder().left;
        else
            return 0;
    }
@ Override public int getLeftBorder ( ) { Box box = getBox ( ) ; if ( box instanceof ElementBox ) return ( ( ElementBox ) box ) . getBorder ( ) . left ; else return 0 ; }
Obtains the left border of the box
@return the width of the border or 0 when there is no border
Obtains the left border of the box