.w_b_talk{padding:10px;min-height:45px;-webkit-border-radius:10px;border-radius:10px}.w_b_talk:before,.w_b_talk:after{width:0;height:0}.w_b_talk_L:before,.w_b_talk_R:before{top:18px;border:6px solid transparent}.w_b_talk_L:after,.w_b_talk_R:after{top:19px;border:5px solid transparent}.w_b_talk_L{border:1px solid #e2e2e2;background:#f4f4f4;margin:0 auto 0 15px;color:#0a0a0a}.w_b_talk_L:before{border-top-color:#e2e2e2;border-right-color:#e2e2e2;left:-12px}.w_b_talk_L:after{border-top-color:#f4f4f4;border-right-color:#f4f4f4;left:-10px}.w_b_talk_R{border:1px solid #e2e2e2;background:#ffffff;margin:0 15px 0 auto}.w_b_talk_R:before{border-top-color:#e2e2e2;border-left-color:#e2e2e2;right:-12px}.w_b_talk_R:after{border-top-color:#ffffff;border-left-color:#ffffff;right:-10px}