/* concrete.css v3.0.0 | MIT License | github.com/louismerlin/concrete.css */

* Set universal color variables */ :root {
  --fg: #111;
  --bg: #fff;
}

/**
* Invert the colors if the user has dark mode activated.
*/

/* @media (prefers-color-scheme: dark) {
  :root {
    --fg: #fff;
    --bg: #111;
  }
} */

/**
* 1. Modify the base font-size to 1.25rem, to make everything larger.
* 2. Set box-sizing globally to handle padding and border widths.
*/

html {
  font-size: 1.25rem;
  /* 1 */
  box-sizing: border-box;
  /* 2 */
}

/**
* 1. Continue the global box-sizing modification.
* 2. Set the underline size for all elements.
*/

*,
::after,
::before {
  box-sizing: inherit;
  /* 1 */
  text-decoration-thickness: 0.1rem;
  /* 2 */
}

/**
* 1. Remove body margin.
* 2. Set the text and background color to white and black by default.
* 3. Set the font-family to Helvetica, or equivalent.
*/

body {
  margin: 0;
  /* 1 */
  background: var(--bg);
  /* 2 */
  color: var(--fg);
  /* 2 */
  font-family: Helvetica, Arial, sans-serif;
  /* 3 */
}

/**
* Set the link color to black
*/

a {
  color: var(--fg);
}

/**
* 1. Stretch figure to full width of the section.
*/
figure {
  margin: 0;
  /* 1 */
}

/**
* 1. Right-align text 
* 2. Make figure caption a little smaller than normal text.
* 3. Add border at bottom.
* 4. Add spacing after the element.
*/
figcaption {
  text-align: right;
  /* 1 */
  font-size: 0.8em;
  /* 2 */
  border-bottom: 0.2rem solid var(--fg);
  /* 3 */
  padding-bottom: 0.2rem;
  /* 4 */
}

/**
* 1. Set the max width of images to 100%, so that they don't overflow.
* 2. Set the height of images relative to their width.
*/

img {
  max-width: 100%;
  /* 1 */
  height: auto;
  /* 2 */
}

/**
* Add some padding around the main sections.
*/

main section + section {
  padding: 2rem 0;
}

/** 
* 1. Center the root main/header/footer elements horizontally.
* 2. Set the width of the elements to 640px, with padding for mobile screens.
*/

body > header,
body > main,
body > footer {
  margin: auto;
  /* 1 */
  max-width: 660px;
  /* 2 */
  padding-left: 10px;
  /* 2 */
  padding-right: 10px;
  /* 2 */
  width: 100%;
  /* 2 */
}

/**
* 1. Add some padding around the main header.
* 2. Increase the size of text in the main header.
*/

body > header {
  padding-top: 8rem;
  /* 1 */
  padding-bottom: 8rem;
  /* 1 */
  font-size: 1.2em;
  /* 2 */
}

h1 {
  font-size: 2em;
}

h2 {
  font-size: 1.5em;
}

h3 {
  font-size: 1.17em;
}

h4 {
  font-size: 1em;
}

h5 {
  font-size: 0.83em;
}

h6 {
  font-size: 0.67em;
}

/**
* Center the text in the footer.
*/

footer {
  text-align: center;
}

/**
* 1. Change the style of the button.
* 2. Set the color and border of the button.
* 3. Add the pointer cursor when hovering a button.
*/

button,
input[type="button"],
input[type="reset"],
input[type="submit"] {
  display: inline-block;
  /* 1 */
  vertical-align: middle;
  /* 1 */
  padding: 0.2rem 0.5rem;
  /* 1 */
  font-size: 1rem;
  /* 1 */
  font-weight: normal;
  /* 1 */
  margin-bottom: 0.5rem;
  /* 1 */
  background: var(--bg);
  /* 2 */
  color: var(--fg);
  /* 2 */
  border: 0.1rem solid var(--fg);
  /* 2 */
  border-radius: 0;
  /* 2 */
  cursor: pointer;
  /* 3 */
}

/**
* 1. Set the border of a disabled button to be dashed.
* 2. Add the not-allowed cursor when hovering a disabled button.
*/

button:disabled,
input[type="button"]:disabled,
input[type="reset"]:disabled,
input[type="submit"]:disabled {
  border-style: dashed;
  /* 1 */
  cursor: not-allowed;
  /* 2 */
}

/**
* Set the list bullet to square.
*/

ul {
  list-style: square;
}

/**
* Set a margin around the navigation bar
*/
nav {
  margin: 2rem 0;
}

/**
* 1. Remove padding around the navigation bar's inner unordered list
* 2. Remove list style for the navigation bar's inner unordered list
*/
nav ul {
  padding: 0;
  /* 1 */
  list-style: none;
  /* 2 */
}

/**
* 1. Set margins around the navigation bar's inner unordered list items
* 2. Make navigation bar unordered list elements render horizontally
*/
nav ul li {
  margin: 0 0.2rem;
  /* 1 */
  display: inline-block;
  /* 2 */
}

/**
* Set the border around a fieldset.
*/

fieldset {
  border: 0.1rem solid var(--fg);
}

/**
* 1. Modify the display of labels and legends.
* 2. Add a margin underneath.
*/

label,
legend {
  display: block;
  /* 1 */
  font-weight: bold;
  /* 1 */
  margin-bottom: 0.4rem;
  /* 2 */
}

/** 
* 1. Change the appearance of the text input.
* 2. Set the color and border of the text input.
*/

input[type="email"],
input[type="number"],
input[type="password"],
input[type="search"],
input[type="tel"],
input[type="text"],
input[type="url"],
textarea,
select {
  -webkit-appearance: none;
  /* 1 */
  -moz-appearance: none;
  /* 1 */
  appearance: none;
  /* 1 */
  box-shadow: none;
  /* 1 */
  box-sizing: inherit;
  /* 1 */
  padding: 0.2rem 0.5rem;
  /* 1 */
  width: 100%;
  /* 1 */
  font-size: 1rem;
  /* 1 */
  color: var(--fg);
  /* 2 */
  background-color: var(--bg);
  /* 2 */
  border: 0.1rem solid var(--fg);
  /* 2 */
  border-radius: 0;
  /* 2 */
  font-family: Helvetica, Arial, sans-serif;
  /* 3 */
}

/**
* Set margin for form elements.
*/

fieldset,
input,
select,
textarea {
  margin: 0 0 0.8rem 0;
}

/**
* 1. Set the font color for the placeholder in inputs.
* 2. Set font-style to italic for the placeholder in inputs.
*/

input::placeholder,
textarea::placeholder {
  color: var(--fg);
  /* 1 */
  font-style: italic;
  /* 2 */
  opacity: 1;
}

/**
* 1. Expand width to 100% for the table element.
* 2. Remove the distance between the borders of adjacent table cells.
*/

table {
  width: 100%;
  /* 1 */
  border-spacing: 0;
  /* 2 */
}

/**
* Add padding around table cells.
*/

td,
th {
  padding: 0.4rem;
}

/**
* Remove left padding for first cell in a row.
*/

td:first-child,
th:first-child {
  padding-left: 0;
}

/**
* Remove right padding for last cell in a row.
*/

td:last-child,
th:last-child {
  padding-right: 0;
}

/**
* 1. Add a border under the table header.
* 2. Align the text to the left in the table header.
*/

th {
  border-bottom: 0.1rem solid var(--fg);
  /* 1 */
  text-align: left;
  /* 2 */
}

/**
* Add a thiner border under table rows.
*/

td {
  border-bottom: 0.05rem solid var(--fg);
}

/**
* 1. Change the margins and padding.
* 2. Add a border on the left of these elements.
* 3. Set the y overflow to hidden to hide the navigation bar.
*/

blockquote,
pre {
  margin-left: 0;
  /* 1 */
  margin-right: 0;
  /* 1 */
  padding: 0.5rem 0.8rem;
  /* 1 */
  border-left: 0.1rem solid var(--fg);
  /* 2 */
  overflow-y: hidden;
  /* 3 */
}

/**
* 1. Set the rest of the border of the preformatted element to dotted.
* 2. Re-set the left border style.
*/

pre {
  border: 0.05rem dotted var(--fg);
  /* 1 */
  border-left: 0.1rem solid var(--fg);
  /* 2 */
}

/**
* 1. Modify the display of the code block.
* 2. Reduce the font size of the code block.
*/

pre > code {
  white-space: pre;
  /* 1 */
  display: block;
  /* 1 */
  font-size: 0.8rem;
  /* 2 */
}

/**
* 1. Modify the display of the progress bar in all browsers.
* 2. Set the colors and border of the progress bar.
*/

progress {
  -moz-appearance: none;
  /* 1 */
  -webkit-appearance: none;
  /* 1 */
  display: block;
  /* 1 */
  height: 0.5rem;
  /* 1 */
  overflow: hidden;
  /* 1 */
  padding: 0;
  /* 1 */
  width: 100%;
  /* 1 */
  background: var(--bg);
  /* 2 */
  color: var(--fg);
  /* 2 */
  border: 0.1rem solid var(--fg);
  /* 2 */
  border-radius: 0;
  /* 2 */
}

/**
* Set the background color of the webkit progress bar.
*/

progress::-webkit-progress-bar {
  background-color: var(--bg);
}

/**
* Set the color of the webkit progress bar.
*/

progress::-webkit-progress-value {
  background-color: var(--fg);
}

/**
* Set the color of the mozilla progress bar.
*/

progress::-moz-progress-bar {
  background-color: var(--fg);
}

/**
* Set the border for the horizontal rule.
*/

hr {
  border: 0.05rem solid var(--fg);
}