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

body {
  background-image: url("/bg/grid-l.png");
  font-family: monospace;
}

header {
  height: 208px;
  width: 800px;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.navbar {
  display: block;
  background-color: black;
  height: 45px;
  width: 800px;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
  padding-top: 13px;
  padding-bottom: 12px;

}