/* ### blocks */
body {
  font-family: monospace;
  background-color: #282828;
  color: green;
  font: 16px courier new, monospace;
}
header {
  background-color: #222;
  display: flex;
  justify-content: center;
  padding: 20px 0;
}
footer {
  background-color: #222;
  display: flex;
  justify-content: center;
  padding: 20px 0;
}
footer p {
  margin: 0;
}


/* ### sections */
main {
  display: flex;
  justify-content: center;
  padding: 50px 0;
}
section {
  max-width: 800px;
  text-align: left;
}
details > summary {
  color: #0f0;
  margin: 0 0 20px;
}
.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
}


/* ### headers */
h1, h2 {
  color: #0f0;
  font-size: 24px;
  margin: 0 0 20px;
}
h3 {
  color: #0f0;
  margin: 0 0 20px;
}


/* ### Links */
nav a {
  font-size: 25px;
  display: inline-block;
  margin: 0 20px;
  transition: color 0.3s ease-in-out;
  color: #0f0;
}
nav a:hover {
  color: #ffb000;
  text-decoration: underline;
}
a {
  text-decoration: underline;
  color: #0f0;
}
a:hover {
  color: #ffb000;
  text-decoration: underline;
}

/* ### text elements */
div {
  border-bottom: 2px solid green;
}
p {
}
ul {
}
table {
}
code {
  color: #ffb000;
} 



/* button {
  background-color: black;
  color: green;
  border: 2px solid green;
  border-radius: 5px;
  padding: 5px 10px;
  font-size: 18px;
  cursor: pointer;
} */

/* button:hover {
  background-color: green;
  color: black;
} */