.opacity-0 {
  opacity: 0;
}

.opacity-10 {
  opacity: .1;
}

.opacity-20 {
  opacity: .2;
}

.opacity-30 {
  opacity: .3;
}

.opacity-40 {
  opacity: .4;
}

.opacity-50 {
  opacity: .5;
}

.opacity-60 {
  opacity: .6;
}

.opacity-70 {
  opacity: .7;
}

.opacity-80 {
  opacity: .8;
}

.opacity-90 {
  opacity: .9;
}

.opacity-100 {
  opacity: 1;
}

.box {
  width: 6rem;
  height: 6rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  background-color: #2f855a;
}

.xs {
  font-size: 12px;
}

.sm {
  font-size: 14px;
}

.base {
  font-size: 16px;
}

.lg {
  font-size: 18px;
}

.xl {
  font-size: 20px;
}

.xxl {
  font-size: 24px;
}

.xxxl {
  font-size: 30px;
}