body {
  font-size: 18px;
  line-height: 1.6;
  font-family: "Open Sans", sans-serif;
}
.navbar {
  padding: 15px 0;
  background-color: rgba(34, 34, 34, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.navbar-default .navbar-nav > li > a {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 15px 20px;
}
header {
  background-attachment: fixed;
  background-size: cover;
  padding: 200px 0 150px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}
.intro-text {
  max-width: 800px;
  margin: 0 auto;
}
.intro-heading {
  font-size: 60px;
  font-weight: 700;
  margin-bottom: 25px;
}
.intro-text h3 {
  font-size: 32px;
  margin-bottom: 30px;
  font-weight: 600;
}
.intro-text p {
  font-size: 20px;
  line-height: 1.8;
  margin-bottom: 40px;
}
.btn-xl {
  padding: 15px 30px;
  font-size: 18px;
  border-radius: 50px;
  border: 1px solid #333;
}
section {
  padding: 100px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}
.section-heading {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 20px;
}
.line {
  height: 4px;
  width: 70px;
  background-color: #fed136;
  margin: 0 auto 60px;
}
.service-heading {
  font-size: 24px;
  font-weight: 600;
  margin: 25px 0 15px;
}
.services p {
  font-size: 16px;
  line-height: 1.7;
}
.services .fa-stack {
  margin-bottom: 20px;
}
#about-us p {
  font-size: 20px;
  line-height: 1.8;
  max-width: 900px;
  margin: 0 auto 30px;
}
footer {
  padding: 50px 0 30px;
  background-color: #f8f9fa;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}
footer h5 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 15px;
}
footer p {
  font-size: 16px;
}
.social-buttons li a {
  font-size: 20px;
  color: #333;
  display: inline-block;
  margin: 0 10px;
}
footer:last-child {
  background-color: #222;
  color: white;
  padding: 20px 0;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}