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

/* ===== BODY ===== */
body {
  font-family: Arial, Verdana, sans-serif;
}

/* ===== HEADER ===== */
header {
  position: fixed;              /* fixed header */
  top: 0;
  width: 100%;
  background-color: orange;     /* required */
  color: white;
  padding: 15px;
}

/* NAME LEFT */
.logo {
  float: left;
}

/* NAV RIGHT */
nav {
  float: right;
}

nav ul {
  list-style: none;             /* no bullets */
}

nav ul li {
  display: inline;
  margin-left: 20px;
}

nav a {
  color: white;                 /* white links */
  text-decoration: none;        /* no underline */
}

/* ===== BANNER ===== */
.banner {
  margin-top: 70px;             /* fix overlap */
  width: 100%;
  height: 200px;                /* required */
  background-image: url("banner.jpg"); /* required */
  background-size: cover;
  background-position: center;
  position: relative;
}

.banner h1 {
  position: absolute;           /* overlay */
  bottom: 20px;
  left: 20px;
  color: white;
}

/* ===== MAIN ===== */
.main-content {
  width: 100%;
}

/* LEFT COLUMN */
.left-column {
  float: left;                  /* REQUIRED FLOAT */
  width: 50%;
  background-color: lightgreen; /* required */
  padding: 20px;
}

.left-column h2 {
  font-family: Georgia, "Times New Roman", serif; /* serif */
}

.left-column p {
  font-family: Arial, Verdana, sans-serif; /* sans-serif */
}

/* RIGHT COLUMN */
.right-column {
  float: right;                 /* REQUIRED FLOAT */
  width: 50%;
  padding: 20px;
}

.right-column img {
  width: 100%;
  margin-bottom: 15px;
}

/* ===== FOOTER ===== */
footer {
  clear: both;
  background-color: #222;
  color: white;
  text-align: center;
  padding: 20px;
}

footer a {
  color: orange;                /* required */
  text-decoration: underline;   /* required */
}