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

/*img, figure img{
    width: 100%;
    aspect-ratio: 2/3;
    object-fit: cover; 
}*/

html,
body {
  background-color: rgb(48, 44, 44);
  min-height: 100vh;
  /*font-size: ;*/
  font-family: "Courier New", Courier, monospace;
}

#top {
  display: block;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  text-align: center;
  padding: 1.2rem 0;
  background-color: dimgrey;
  color: maroon;
}

a:link,
a:visited {
  color: whitesmoke;
  background-color: transparent;
  text-decoration: none;
}

a:hover {
  color: whitesmoke;
  background-color: transparent;
  text-decoration: underline;
}

ul li {
  display: inline-block;
}

h1 {
  width: 100%;
  text-align: center;
}

/*h2,p {
  margin: 1.2rem;
}*/

h2,
header,
section {
  padding: 1.2rem;
}
header {
  text-align: center;
  color: oldlace;
}
#exercises a {
  display: block;
  padding: 1.5rem 0.5rem;
  background-color: rgb(121, 44, 44);
  margin: 0 1.5rem;
}

figcaption {
  color: white;
}

footer {
  width: 100%;
  background-color: dimgrey;
  position: fixed;
  bottom: 0;
}