html {
  box-sizing: border-box;
}

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

/* Style the header */
.header {
  padding: 80px;
  text-align: center;
  background: #474e5d;
  color: white;
}

/* Increase the font size of the h1 element */
.header h1 {
  font-size: 40px;
}

/* Style the top navigation bar */
.navbar {
  overflow: hidden;
  background-color: #333;
}

/* Style the navigation bar links */
.navbar a {
  float: left;
  display: block;
  color: white;
  text-align: center;
  padding: 14px 20px;
  text-decoration: none;
}

/* Right-aligned link */
.navbar a.right {
  float: right;
}

/* Change color on hover */
.navbar a:hover {
  background-color: #ddd;
  color: black;
}

/* Main column */
.main {   
  background-color: white;
  padding: 20px;
}

/* Footer */
.footer {
  padding: 20px;
  text-align: center;
  background: #ddd;
}

.name {
  display: inline-block;
  margin-right: 15px; /* adds spacing between names */
}

/* Responsive layout */
@media screen and (max-width: 400px) {
  .navbar a {
    float: none;
    width: 100%;
  }
}

.title {
  color: grey;
}

.button {
  border: none;
  outline: 0;
  display: inline-block;
  padding: 8px;
  color: white;
  background-color: #000;
  text-align: center;
  cursor: pointer;
  width: 100%;
}

.button:hover {
  background-color: #555;
}

.card {
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
  margin: 8px;
}

.about-section {
  padding: 50px;
  text-align: center;
  background-color: #474e5d;
  color: white;
}

.container {
  padding: 0 16px;
}

.container::after, .row::after {
  content: "";
  clear: both;
  display: table;
}

.column {
  float: left;
  width: 33.3%;
  margin-bottom: 16px;
  padding: 0 8px;
}