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


html, body {
  height: 100%;   /* ensure body fills viewport */
  margin: 0;
}

body
{ font-family: 'Courier New', Courier, monospace;
  font-size: 15px;
  line-height: 1.5;
  color: black;
  background: white;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;              /* take up all available space */
}


header
{ background: #ffffff;
  color: #fff;
  padding: 10px;
}

header .logo
{ font-size: 24px;
  font-weight: bold;
  letter-spacing: 1px;
}


.container {
  width: 100%; /* Or a fixed width */
}

.container img {
  max-width: 100%;
  height: auto; /* Maintains aspect ratio */
  display: block; /* Removes extra space below the image */
  float: center;
}


nav
{ margin-top: 1px;
  margin-left: 20px;
}

nav a
{ color: #1A3564;
  text-decoration: none;
  margin-right: 20px;
  font-weight: 500;
}

nav a:hover
{ text-decoration: underline;
}

nav a.active
{ font-weight: bold;
}


section
{ padding: 40px 20px;
  max-width: 900px;
  margin: auto;
  /* background: #fff; */
  margin-top: 20px;
  margin-bottom: 20px;
  /* border-radius: 6px; */
  /* box-shadow: 0 2px 6px rgba(0,0,0,0.1); */
}


footer
{ text-align: center;
  font-size: 14px;
  color: #777;
  padding: 20px;
}