style.css

body,
html {
  width: 100%;
  height: 100%;
  font-family: 'Montserrat', sans-serif;

  /* Adding full width background image */
  background: url(header.jpg) no-repeat center center fixed;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}

h1 {
  color: #e2dbdb;
  font-size: 2.5rem;
}

.buffer {
  height: 8rem;
}

hr {
  border-color: #f05f44;
  border-width:3px;
  max-width: 65px;
}

button.btn-event {
  border-radius: 2rem;
  font-weight: 700;
  padding: 1rem 2rem;
  text-transform: uppercase;
  font-size: 0.8rem;
}

.btn-info,
.btn-info:active,
.btn-info:focus,
.btn-info:visited,
.btn-info:not(:disabled):not(.disabled).active,
.btn-info:not(:disabled):not(.disabled):active,
.show>.btn-info.dropdown-toggle {
  background-color: #f05f44;
  border-color: #f05f44;
}

.btn-info:hover {
  background-color: #e05035;
  border-color: #e05035;
  border-width: 4px;
}

@media all and (max-width: 1199px) {
  h1 {
    font-size:2rem;
  }
}

@media all and (max-width: 991px) {
  h1 {
    font-size:1.8rem;
  }

  button.btn-event {
    font-size: 0.6rem;
  }
}