html,
body {
  font-size: 16px;
  font-family: system-ui, sans-serif;
  line-height: 1.6;
}

body {
  margin: auto;
  padding: 1em;
  max-width: 40em;
  color: #212121;
  background: #FAFAFA;
}

/*------*/
/* Add or remove elements */
/*------*/
p,
hr,
nav,
main,
header,
footer {
  margin: 1em 0;
}

/*------*/

article h1 {
  /*override :-webkit-any*/
  font-size: 2em;
}

a {
  color: inherit;
}

pre {
  padding: 1em;
  border-radius: 3px;
}

img {
  height: auto;
  max-width: 100%;
}

input {
  vertical-align: middle;
}

blockquote {
  margin: 0;
  border-left: 4px solid #212121;
  padding-left: 1em;
}

ul,
ol {
  padding: 0;
  list-style-position: inside;
}

ul ul,
ul ol,
ol ul,
ol ol {
  padding-inline: 1em;
}

pre,
code {
  color: white;
  background: #212121;
  overflow: auto;
}

input:disabled,
button:disabled {
  opacity: 0.9;
}

td,
th,
table {
  border: 1px solid #212121;
  padding: 8px;
  border-collapse: collapse;
}

input,
button,
select,
textarea {
  outline: none;
  background: none;
  padding: 3px 7px;
  border: 1px solid #212121;
  border-radius: 3px;
}

button,
input[type="reset"],
input[type="button"],
input[type="submit"] {
  color: #FAFAFA;
  background: #212121;
}