The mark consists of the literal element STY(XK). The characters "STY" are shown in thin, black typeface. The parentheses are also shown in thin, black typeface. The character X is disposed between the parentheses and is further formed by four line segments, i.e., an upper right line segment, a lower right line segment, an upper left line segment, and a lower left line segment. The upper left line segment is shown in black typeface and is broken from and/or spaced apart from the other three line segments. The lower left line segment is shown in black and adjoins the upper right line segment and the lower right line segment at a junction point. The upper right line segment and the lower right line segment are shown in peach typeface and adjoin together and with the lower left line segment at the junction point. The character "K" is integrated into the character "X" and is formed by the upper right line segment and the lower right line segment, which are shown in peach typeface.