/* text color */

.text-primary {
  color: #28a745;
}

.text-secondary {
  color: #0284d0;
}

.btn {
  padding: 10px 30px;
  background: #28a745;
  border: none;
  border-radius: 5px;
  margin-top: 10px;
  color: #fff;
  display: inline-block;
  opacity: 0.8;
}
.btn:hover {
  opacity: 1;
}

.btn-primary,
.bg-primary {
  background: #28a745;
  color: #fff;
}

.btn-secondary,
.bg-secondary {
  background: #0284d0;
  color: #fff;
}
.btn-dark,
.bg-dark {
  background: #333;
  color: #fff;
}
.btn-light,
.bg-light {
  background: #f4f4f4;
  color: #333;
}
.btn-outline {
  background: transparent;
  border: 1px solid #fff;
}

/* /flex-item */
.flex-items {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
}

.flex-items div {
  padding: 20px;
}