.yb0:after{content:"";color:white;background-color:#DDDDDD;}.y1{color:#c37602;}.yb1:after{content:"特急";color:black;background-color:#FF9900;}.y2{color:#efa73c;}.yb2:after{content:"通勤特急";color:black;background-color:#e6b265;}.y3{color:#AA0000;}.yb3:after{content:"急行";color:white;background-color:#AA0000;}.y4{color:#d65f5f;}.yb4:after{content:"通勤急行";color:white;background-color:#d65f5f;}.y5{color:#0000BB;}.yb5:after{content:"快速";color:white;background-color:#0000BB;}