/* Class das versões anteriores */
.bt-p { background:none; border:none; border-radius:7px; width:35px; height:35px; }
.bt-m { background:none; border:none; border-radius:7px; min-width:100px; min-height:35px; }

/* Classes incluidas nesta versão */
.bt-icon-pp { width:30px; height:30px; padding:0px; border-radius:5px; font-size:16px; }
.bt-icon-p { width:40px; height:40px; padding:0px; border-radius:7px; font-size:22px; }
.bt-icon-m { width:60px; height:60px; padding:0px; border-radius:10px; font-size:22px; }

.bt-txt-pp { height:30px; padding:0px 20px; border-radius:5px; font-size:12px; }
.bt-txt-p { height:40px; padding:0px 20px; border-radius:7px; font-size:12px; }
.bt-txt-m { height:60px; padding:0px 20px; border-radius:10px; font-size:16px; }

.bt-100-pp { width:100%; height:30px; padding:0px 20px; border-radius:5px; font-size:12px; }
.bt-100-p { width:100%; height:40px; padding:0px 20px; border-radius:7px; font-size:12px; }
.bt-100-m { width:100%; height:60px; padding:0px 20px; border-radius:10px; font-size:16px; }

.bt-50-pp { width:43%; height:30px; margin:3%; border-radius:5px; font-size:12px; }
.bt-50-p { width:45%; height:40px; margin:2%; border-radius:7px; font-size:12px; }
.bt-50-m { width:47%; height:60px; margin:1%; border-radius:10px; font-size:16px; }

.bt-amarelo, .bt-vermelho, .bt-azul, .bt-laranja, .bt-verde, .bt-roxo, .bt-lilas, .bt-branco, .bt-preto, .bt-cinza, .bt-rosa, .bt-desativado { background:none; border:none; }
.bt-amarelo { color:#660; background-image: linear-gradient(155deg, #ff3, #cc3); }
.bt-vermelho { color:#fff; background-image: linear-gradient(155deg, #d00, #800); }
.bt-azul { color:#fff; background-image: linear-gradient(155deg, #55f, #558); }
.bt-laranja { color:#fff; background-image: linear-gradient(155deg, #f50, #b30); }
.bt-verde { color:#fff; background-image: linear-gradient(155deg, #5b5, #383); }
.bt-roxo { color:#fff; background-image: linear-gradient(155deg, #95f, #50a); }
.bt-lilas { color:#fff; background-image: linear-gradient(155deg, #514, #959); }
.bt-branco { color:#333; background-image: linear-gradient(155deg, #f0f0f0, #bababa); }
.bt-preto { color:#fff; background-image: linear-gradient(155deg, #555, #000); }
.bt-cinza { color:#fff; background-image: linear-gradient(155deg, #888, #555); }
.bt-rosa { color:#fff; background-image: linear-gradient(155deg, #de87aa, #a02c5a); }
.bt-desativado { color:#aaa; background-image: linear-gradient(155deg, #ddd, #eee); }