* {
  line-height: 150%;
  box-sizing: border-box;
}

body {
  padding: 0.5rem 3%;
  color: #333;
}

table {
  border-collapse: collapse;
  margin: 1rem 0;
}
th, td {
  border: solid 1px #ccc;
  padding: 0.1rem 0.5rem;
}
th {
  background: #f4f4f4;
}

hr {
  border: solid #ddd;
  border-width: 0.1rem 0 0 0;
}

a {
  text-decoration: none;
  color: #06a;
}
a:visited {
  color: #268;
}
a:hover {
  color: #c00;
}

button {
  margin: 0.3rem;
}

#guard_layer {
  background: rgba(120,120,120, 0.2);
  position: fixed;
  left: 0; top: 0; width: 100%; height: 100%;
}

* {
  line-height: 150%;
  box-sizing: border-box;
  font-family: monospace;
}

body {
  padding: 0.5rem 3%;
  color: #333;
}

table {
  border-collapse: collapse;
  margin: 1rem 0;
}
th, td {
  border: solid 1px #ccc;
  padding: 0.1rem 0.5rem;
}
th {
  background: #f4f4f4;
}

hr {
  border: solid #ddd;
  border-width: 0.1rem 0 0 0;
}

a {
  text-decoration: none;
  color: #06a;
}
a:visited {
  color: #268;
}
a:hover {
  color: #c00;
}

button {
  margin: 0.3rem;
}

#guard_layer {
  background: rgba(120,120,120, 0.2);
  position: fixed;
  left: 0; top: 0; width: 100%; height: 100%;
}

Set default font family to monospace
cosme: Set default font family to monospace
