body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.3)), url('../assets/background.jpg') no-repeat center center fixed;
  background-size: cover;
  color: #fff;
}

header {
  background: rgba(0, 0, 0, 0.7);
  padding: 1em;
  text-align: center;
}

nav a {
  color: #fff;
  margin: 0 1em;
  text-decoration: none;
}

.hero, .projects {
  max-width: 800px;
  margin: 3em auto;
  padding: 2em;
  background: transparent;
  border-radius: 8px;
}

h1 {
  font-size: 2em;
}

a {
  color: #4fc3f7;
}

.left-align {
  text-align: left;
  margin-left: 40px;
  max-width: 600px;
}