style.css

/* 
 * Some Default Styles are provided for your convenience. 
 * You can start adding your own CSS below line 60.
 */

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Helvetica, Arial, sans-serif;
}

p {
  color: #252525;
  line-height: 1.5em;
}

h1 {
  font-size: 3em;
}

h2 {
  font-size: 2em;
  font-weight: normal;
}

h1, h2, h3, nav {
  font-family: "Saira Extra Condensed", sans-serif;
}

/* Responsive images */
img {
  max-width: 100%;
  height: auto;
}

/* Default section styling */
section {
  position: relative;
  width: 100vw;
  overflow: hidden;
}
section h2 {
  text-align: center;
  position: relative;
  margin: 60px 0;
}
section h2:after {
  content: "";
  position: absolute;
  bottom: -20px;
  width: 60px;
  height: 1px;
  background-color: #f39c12;
  left: 50%;
  margin-left: -30px;
}

/* Header defaults */
header {
  background-color: rgba(37, 37, 37, 0.8);
}

/* 
 * YOUR CSS:
 */