styles.css

img {
  max-width: 100%
}

@media screen and (max-width: 768px) {
  .jumbotron {
    text-align: center
  }
}

.jumbotron img {
  margin: 1em auto;
  max-width: 150px
}

@media screen and (min-width: 768px) {
  .jumbotron img {
    max-width: 100%
  }
}

.jumbotron a {
  color: black;
  text-decoration: none
}

.jumbotron h1 {
  font-size: 2.8rem;
  font-weight: 300;
  margin: 0
}

@media screen and (min-width: 768px) {
  .jumbotron h1 {
    font-size: 4rem;
    margin-top: 2rem
  }
}

@media screen and (min-width: 992px) {
  .jumbotron h1 {
    font-size: 5rem;
    margin-top: 3rem
  }
}

@media screen and (min-width: 1200px) {
  .jumbotron h1 {
    font-size: 6rem;
    margin-top: 4rem
  }
}

.jumbotron .tagline {
  font-size: 1.5rem;
  font-weight: 300
}

section {
  padding-bottom: 4rem
}

section .card-header {
  font-weight: bold
}

.card-footer {
  margin-bottom: 0;
}

section .card {
  margin-bottom: 2rem
}

section pre {
  margin-bottom: 0
}

section .example-heading {
  border-bottom: 1px solid #efefef;
  color: #666;
  padding-bottom: .25em;
  margin-top: 2rem;
  font-weight: 300;
  font-size: 1.25rem
}

#parsers .languages {
  margin-top: 3rem;
  margin-bottom: 3rem
}

#parsers .languages img {
  width: 100%;
  margin-top: 1rem;
  margin-bottom: 1rem
}

#parsers .languages .language {
  text-align: center
}

#parsers .languages .btn {
  margin-bottom: .5rem
}

#in-the-wild {
  color: white;
  text-align: center;
  background: black
}

#in-the-wild img {
  max-height: 180px
}