.tyh-button-group{display:inline-block}.tyh-button-group .tyh-button:first-child{border-top-right-radius:0;border-bottom-right-radius:0}.tyh-button-group .tyh-button:last-child{border-top-left-radius:0;border-bottom-left-radius:0}.tyh-button-group .tyh-button:not(:first-child):not(:last-child){border-radius:0}