.c-15 { color: rgba(0, 0, 0, 0.15); }
.c-20 { color: rgba(0, 0, 0, 0.2); }
.c-30 { color: rgba(0, 0, 0, 0.3); }
.c-50 { color: rgba(0, 0, 0, 0.5); }
.c-55 { color: rgba(0, 0, 0, 0.55); }
.c-60 { color: rgba(0, 0, 0, 0.6); }
.c-65 { color: rgba(0, 0, 0, 0.65); }
.c-70 { color: rgba(0, 0, 0, 0.7); }
.c-72 { color: rgba(0, 0, 0, 0.72); }
.bc-0 { border-color: rgba(19, 22, 27, 0); }
.bc-5 { border-color: rgba(19, 22, 27, 0.05); }
.bc-10 { border-color: rgba(19, 22, 27, 0.1); }
.bc-30 { border-color: rgba(19, 22, 27, 0.3); }
.bc-40 { border-color: rgba(19, 22, 27, 0.4); }
.bc-50 { border-color: rgba(19, 22, 27, 0.5); }
.bg { background-color: #ffffff; }
.bg-10 { background-color: rgba(19, 22, 27, 0.1); }
.h\:bg-5:hover { background-color: rgba(19, 22, 27, 0.05); }
.h\:bg-10:hover { background-color: rgba(19, 22, 27, 0.1); }