.container {
  max-width: 1000px;
  width: 90%;
  margin: 0 auto;
}
.lg-heading {
  font-size: 3.5rem;
}
.md-heading {
  font-size: 2.2rem;
}
.text-white {
  color: white;
}
.text-red {
  color: red;
}
.text-black {
  color: black;
}
.text-grey {
  color: grey;
}
.header {
  position: relative;
}
.bg-dark {
  background-color: rgba(0, 0, 0, 0.178);
}
.header-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  background: linear-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.1));
}
.header-content a {
  display: inline-block;
  text-decoration: none;
}
.btn {
  display: inline-block;
  padding: 0.5em 1.5em;
  font-weight: 500;
  text-transform: uppercase;
  margin: 0.5em 0;
  text-decoration: none;
}
.btn-primary {
  background-color: white;
  border-radius: 10em;
}
.btn-primary:hover {
  background-color: #3e5b3a00;
}
.btn-secondary {
  border-radius: 1.5em;
  border: 2px solid red;
  background: white;
}
.btn-secondary:hover {
  background-color: #3e5b3a00;
}