.w_b_talk{padding:10px;min-height:45px;border-radius:10px}.w_b_talk:before{top:18px;border:6px solid transparent}.w_b_talk:after{top:19px;border:5px solid transparent}.w_b_talk_L{border:1px solid #b2b2b2;background:#efefef;margin:0 auto 0 10px;color:#000000}.w_b_talk_L:before{border-top-color:#b2b2b2;border-right-color:#b2b2b2;left:-12px}.w_b_talk_L:after{border-top-color:#efefef;border-right-color:#efefef;left:-10px}.w_b_talk_R{border:1px solid #b2b2b2;background:#efefef;margin:0 10px 0 auto;color:#000000}.w_b_talk_R:before{border-top-color:#b2b2b2;border-left-color:#b2b2b2;right:-12px}.w_b_talk_R:after{border-top-color:#efefef;border-left-color:#efefef;right:-10px}