:root {
  --container-width: 1000px;
}
body {
 background-color: black;
 color: mediumspringgreen;
 text-align: center;
 font-family: "Courier New";
}
body a {
  color: mediumspringgreen;
  font-weight: bold;
  text-decoration: none;
}
hr {
  color: mediumspringgreen;
}
.flex {
  display: flex;
  margin-bottom: var(--row-gap);
}
.content-wrap {
  --content-padding: 25px;
}
#main-container{
  max-width: var(--container-width);
  margin: 0 auto;
}
#header-container {
  border-style: solid;
  border-color: mediumspringgreen;
  margin-bottom: 10px;
}
#content-container {
  padding: 10px;
  border-style: solid;
  border-color: mediumspringgreen;
}