.text-light {
  color: #ffd700;
}

.text-dark,
a {
  color: #d4af37;
}

.bg-light {
  background-color: #f5f5f5;
}

.bg-dark {
  background-color: #333;
}

.btn {
  display: inline-block;
  font-size: 16px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  color: white !important;
  background: #d4af37;
  padding: 11px 35px;
  border: solid;
  border-width: thin;
  border-radius: 5%;
  border-color: #d4af37;
  cursor: pointer;
  size: 15%;
}

@media (min-width: 900px) {
  .btn:hover {
    background: transparent;
    color: #d4af37;
    transition: 0.5s;
  }
}

.btn-dark {
  display: inline-block;
  font-size: 16px;
  letter-spacing: 0.8px;
  color: white;
  background: #d4af37;
  padding: 5px;
  margin-bottom: 10px;
  border: solid;
  border-width: thin;
  border-radius: 5%;
  border-color: #d4af37;
  cursor: pointer;
  size: 15%;
}

@media (min-width: 900px) {
  .btn-dark:hover {
    background: transparent;
    color: #d4af37;
    transition: 0.5s;
  }
}

.btn-light {
  display: inline-block;
  font-size: 16px;
  color: #333 !important;
  background: #ffd700;
  padding: 11px 35px;
  border: solid;
  border-width: thin;
  border-radius: 5%;
  border-color: #ffd700;
  cursor: pointer;
  size: 15%;
}

@media (min-width: 900px) {
  .btn-light:hover {
    background: transparent;
    color: #ffd700;
    transition: 0.5s;
  }
}

section {
  padding-top: 50px;
  padding-left: 120px;
  padding-right: 120px;
}

#main_presentation section {
  padding-top: 50px;
  padding-right: 120px;
}