.navbar-brand img {
  width: 100%;
  max-width: 100px;
}

main {
  width: 100%;
  max-width: 100%;
  min-height: 450px;
  background: #ffffff;
  color: #333333;
  border-top: 4px solid #00b771;
  border-bottom: 4px solid #00b771;
}

main .col-md-6 {
  min-height: 450px;
}

main h1 {
  font-size: 5rem;
  font-weight: 700 !important;
  margin-bottom: 1.5rem;
}

main h2 {
  font-size: 2rem;
  font-weight: 400;
}

.real-customers {
  width: 100%;
  max-width: 100%;
  min-height: 300px;
  background: #ffffff;
}

.real-customers .col {
  min-height: 300px;
  border-bottom: 4px solid #00b771;
}

.real-customers .col h2,
.articles h2 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.real-customers .col p {
  font-size: 1.1rem;
  font-weight: 400;
  margin-bottom: 1.4rem;
}

.icon-medium {
  margin-top: 0;
  font-size: 2rem;
}

.icon-large {
  margin-top: 0;
  font-size: 4rem;
}

.yellow {
  color: rgb(255, 217, 49);
}

.green {
  color: #00b771;
}

.sign-up {
  border-bottom: 4px solid #00b771;
}

.sign-up form {
  padding: 1rem;
  margin: 2rem auto;
  background-color: #f0f0f0;
  border: 1px solid #e0e0e0;
  border-radius: 7px;
}

.sign-up form .form-control {
  margin: 0.5rem auto;
}

.sign-up form .btn {
  margin: 0.5rem auto;
}

.articles {
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.articles {
  border-bottom: 4px solid #00b771;
}

.article-container {
  background-color: #ffffff;
  border: 1px solid #e0e0e0;
  border-radius: 7px;
}

.thumbnail {
  padding: 0;
  margin: 0 auto;
}

.thumbnail img {
  border-top-left-radius: 7px;
  border-top-right-radius: 7px;
}

.article-title {

}

.article-title p {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 auto;
  padding: 1rem;
}

.article-title a {
  color: #3f3f3f;
  text-decoration: none;
}

.article-title a:focus,
.article-title a:hover {
  color: #444444;
  text-decoration: underline;
}

footer {
  padding-top: 1rem;
  padding-bottom: 1rem;
  background-color: #333333;
  color: #ffffff;
}

footer p {
  font-size: 0.95rem;
  font-weight: 300;
  margin: 0.5rem auto;
}

footer a {
  color: #ffffff;
  text-decoration: underline;
}

@media only screen and (max-width: 767px) {
  main {
    height: auto;
    padding-top: 1rem;
    padding-bottom: 1rem;
  }

  main h1 {
    font-size: 3rem;
  }

  main h2 {
    font-size: 1.8rem;
  }
}