html,
body {
  height: 100%;
}

.navbar {
  background-color: #114e9b;
  color: white;
}

.navbar a,
.navbar button {
  color: white;
}
.menu.show {
  background: #3c75c2;
}
.hero {
  background: #1560b1 url(../img/bg_docker_.jpg) no-repeat center center;
  padding-top: 3rem;
  padding-bottom: 3rem;
  display: flex;
  background-size: cover;
  align-items: center;
  color: white;
  min-height: 80%;
}

.hero h1 {
  font-size: clamp(2.75rem, 1rem + 7.5vw, 7rem);
  text-wrap: balance;
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 0.96;
  color: white;
}

.hero h2,
.hero a {
  color: white;
}

.hero hr {
  width: 30%;
  margin: 4rem 0 2rem;
}

footer,
footer a {
  color: #8f8f8f;
}

.card-body ol, 
.card-body ul {
  margin-bottom: 16px;
}

.card-body {
  margin-bottom: 20px;
}