.shadow{--tb_app_shadow:0 1px 8px 1px rgba(0,0,0,.1)}.embossed{--tb_app_shadow:inset 0 1px 0 rgba(255,255,255,.5),inset 0 -3px 0 rgba(0,0,0,.1)}.gradient{--tb_app_gr:linear-gradient(to bottom,rgba(255,255,255,.45) 0,rgba(255,255,255,0) 100%)}.rounded{--tb_app_r:8px}.glossy{--tb_app_gl:linear-gradient(to top,rgba(255,255,255,.2),rgba(255,255,255,.5))}.ui.glossy:before,.ui.glossy .accordion-title a:before,.ui.glossy .tab-nav a:before,.ui.nav.glossy a:before{content:var(--tb_app_glc,'');width:100%;height:50%;position:absolute;top:0;left:0;z-index:0;border-top-left-radius:inherit;border-top-right-radius:inherit;background:var(--tb_app_gl);pointer-events:none}