* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Open Sans", sans-serif;
  line-height: 1.6;
  color: #212529;
  background-color: #f8f9fa;

  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
}

.lead {
  font-size: 1.1rem;
}

header {
  letter-spacing: 0.5px;
}

header h1 {
  font-weight: 700;
}

nav .nav-link {
  font-weight: 500;
  padding: 6px 12px;
}

nav .nav-link:hover {
  opacity: 0.85;
  text-decoration: none;
}

nav .nav-link.active {
  text-decoration: underline;
  opacity: 1;
}

.article-img-lg {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.article-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.article-img-sm {
  width: 100%;
  height: 140px;
  object-fit: cover;
}

form label {
  font-weight: 500;
  margin-bottom: 4px;
}

input[type="range"] {
  width: 100%;
}

footer {
  font-size: 0.9rem;
}

footer .container {
  max-width: 1200px;
}

footer h6 {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.85rem;
}

footer ul {
  padding-left: 0;
}

footer ul li {
  list-style: none;
  margin-bottom: 6px;
}

footer i {
  font-size: 1.2rem;
}

footer form input {
  border: none;
}

footer form input:focus {
  outline: 2px solid #ffc107;
  box-shadow: none;
}

footer .btn-warning {
  font-weight: 600;
}

footer a:hover {
  text-decoration: underline;
}

.footer-bottom {
  opacity: 0.85;
  font-size: 0.8rem;
}