.box_hukidashi3{border-radius:10px;padding:20px 20px 10px;position:relative}.box_hukidashi3:before{bottom:-18px;left:27px}.box_hukidashi3:after,.box_hukidashi3:before{border-left:15px solid transparent;border-right:15px solid transparent;content:"";display:block;height:0;position:absolute;width:0}.box_hukidashi3:after{bottom:-15px;left:20px}