.btn30{ width: 30px; }
.btn80{ width: 80px; }
.btn100{ width: 100px; }
.btn120{ width: 120px; }
.btn140{ width: 140px; }
.btn170{ width: 170px; }
.btn200{ width: 200px; }
.btn230{ width: 230px; }
.btn270{ width: 270px; }