:root {
    --default-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    --color-background: #f9f9f9;
    --color-background-darkened: #f0f0f0;
    --color-text: #333333;
    --color-text-darkened: #2d2d2d;
    --color-accent: #2E5252;
    --color-accent-hover: #437777;
    --color-accent-darkened: #2a4b4b;
    --color-text-on-accent: var(--color-background);
    --color-accent-text: var(--color-accent);

    --color-primary: var(--color-accent);
    --text-primary: var(--color-text);
    --color-secondary: var(--color-text);
    --color-secondary-darkened: var(--color-text-darkened);
    --text-secondary: var(--color-background);
    --color-success: #28a745;
    --color-success-darkened: #189735;
    --color-success-darkened-2: #139230;
    --color-warning: #ffc107;
    --color-warning-darkened: #efb100;
    --color-warning-darkened-2: #e9ac00;
    --color-danger: #dc3545;
    --color-danger-darkened: #cc2535;
    --color-danger-darkened-2: #c72030;
}

@media(prefers-color-scheme: dark) {
    :root {
        --color-background: #333333;
        --color-background-darkened: #2d2d2d;
        --color-text: #f9f9f9;
        --color-text-darkened: #f0f0f0;
        --color-accent-text: #5e9b9b;
        --color-text-on-accent: var(--color-text);
        --color-accent-hover: #2E5252;
        --color-accent-darkened: #3b6969;
    }
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--default-font);
    background-color: var(--color-background);
    color: var(--color-text);
    font-size: 1.1em;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--default-font);
    font-weight: bold;
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    overflow-wrap: break-word;
    word-wrap: break-word;
    word-break: break-word;
}

h1 { font-size: 2.35em }
h2 { font-size: 2.00em }
h3 { font-size: 1.75em }
h4 { font-size: 1.5em }
h5 { font-size: 1.25em }
h6 { font-size: 1.1em }

p {
    line-height: 1.35;
}

small, sub, sup {
    font-size: 75%;
}

hr {
    border-color: var(--color-accent);
}

a {
    text-decoration: none;
    color: var(--color-accent-text);
}

a:hover {
    color: var(--color-accent-hover);
    border-bottom: 2px solid var(--color-text);
}

a:visited {
    color: var(--color-accent-text);
}

ul {
    padding-left: 1.4em;
    margin-top: 0;
    margin-bottom: 2.5rem;
}

li {
    margin-bottom: 0.4em;
}

blockquote {
    margin-left: 0;
    margin-right: 0;
    padding-left: 1em;
    padding-top: 0.8em;
    padding-bottom: 0.8em;
    padding-right: 0.8em;
    border-left: 5px solid var(--color-accent);
    margin-bottom: 2.5rem;
    background-color: var(--color-background-darkened);
    line-height: 1.35;
    border-radius: 7px;
}

blockquote.ex-success {
    border-left: 5px solid var(--color-success);
    color: var(--color-success);
}

blockquote.ex-warning {
    border-left: 5px solid var(--color-warning);
    color: var(--color-warning);
}

blockquote.ex-danger {
    border-left: 5px solid var(--color-danger);
    color: var(--color-danger);
}

blockquote p {
    margin-bottom: 0;
}

img, video {
    height: auto;
    max-width: 100%;
    margin-top: 0;
    margin-bottom: 2.5rem;
}

pre {
    background-color: var(--color-background-darkened);
    display: block;
    padding: 1em;
    overflow-x: auto;
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
    border-radius: 7px;
}

code {
    font-size: 1.1em;
    padding: 0 0.5em;
    background-color: var(--color-background-darkened);
    border-radius: 7px;
    white-space: pre-wrap;
}

pre > code {
    padding: 0;
    background-color: transparent;
    white-space: pre;
}

table {
    text-align: justify;
    width: 100%;
    border-collapse: collapse;
}

td, th {
    padding: 0.5em;
    border-bottom: 1px solid var(--color-background-darkened);
}

th {
    background-color: var(--color-background-darkened);
}

input, textarea {
    border: 1px solid var(--color-text);
    width: 100%;
}

input:focus, textarea:focus {
    border: 1px solid var(--color-accent);
}

textarea {
    width: 100%;
}

.button, button, input[type="submit"], input[type="reset"], input[type="button"] {
    display: inline-block;
    padding: 7px 12px;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;

    background-color: var(--color-accent);
    color: var(--color-text-on-accent);
    border: 1px solid var(--color-accent-darkened);
    cursor: pointer;
    box-sizing: border-box;
    border-radius: 7px;

    transition: background-color 0.1s linear;
    width: unset;
}

.button.ex-secondary, button.ex-secondary, input[type="submit"].ex-secondary, input[type="reset"].ex-secondary, input[type="button"].ex-secondary {
    background-color: var(--color-secondary);
    border-color: var(--color-secondary-darkened);
    color: var(--color-background);
}

.button.ex-success, button.ex-success, input[type="submit"].ex-success, input[type="reset"].ex-success, input[type="button"].ex-success {
    background-color: var(--color-success);
    border-color: var(--color-success-darkened);
}

.button.ex-warning, button.ex-warning, input[type="submit"].ex-warning, input[type="reset"].ex-warning, input[type="button"].ex-warning {
    background-color: var(--color-warning);
    border-color: var(--color-warning-darkened);
}

.button.ex-danger, button.ex-danger, input[type="submit"].ex-danger, input[type="reset"].ex-danger, input[type="button"].ex-danger {
    background-color: var(--color-danger);
    border-color: var(--color-danger-darkened);
}

@media(prefers-color-scheme: dark) {
    .button.ex-success, button.ex-success, input[type="submit"].ex-success, input[type="reset"].ex-success, input[type="button"].ex-success {
        color: var(--color-text);
    }

    .button.ex-warning, button.ex-warning, input[type="submit"].ex-warning, input[type="reset"].ex-warning, input[type="button"].ex-warning {
        color: var(--color-text);
    }

    .button.ex-danger, button.ex-danger, input[type="submit"].ex-danger, input[type="reset"].ex-danger, input[type="button"].ex-danger {
        color: var(--color-text);
    }
}

.button[disabled], button[disabled], input[type="submit"][disabled], input[type="reset"][disabled], input[type="button"][disabled] {
    cursor: default;
    opacity: .5;
}

.button:focus:enabled, button:focus:enabled, input[type="submit"]:focus:enabled, input[type="reset"]:focus:enabled, input[type="button"]:focus:enabled,
.button:hover:enabled, button:hover:enabled, input[type="submit"]:hover:enabled, input[type="reset"]:hover:enabled, input[type="button"]:hover:enabled {
    background-color: var(--color-accent-darkened);
    border-color: var(--color-accent-darkened);
    color: var(--color-text-on-accent);
    outline: 0;
}

.button.ex-secondary:focus:enabled, button.ex-secondary:focus:enabled, input.ex-secondary[type="submit"]:focus:enabled, input.ex-secondary[type="reset"]:focus:enabled, input.ex-secondary[type="button"]:focus:enabled,
.button.ex-secondary:hover:enabled, button.ex-secondary:hover:enabled, input.ex-secondary[type="submit"]:hover:enabled, input.ex-secondary[type="reset"]:hover:enabled, input.ex-secondary[type="button"]:hover:enabled {
    background-color: var(--color-secondary-darkened);
    border-color: var(--color-secondary-darkened);
    color: var(--color-background-darkened);
    outline: 0;
}

.button.ex-success:focus:enabled, button.ex-success:focus:enabled, input.ex-success[type="submit"]:focus:enabled, input.ex-success[type="reset"]:focus:enabled, input.ex-success[type="button"]:focus:enabled,
.button.ex-success:hover:enabled, button.ex-success:hover:enabled, input.ex-success[type="submit"]:hover:enabled, input.ex-success[type="reset"]:hover:enabled, input.ex-success[type="button"]:hover:enabled {
    background-color: var(--color-success-darkened);
    border-color: var(--color-success-darkened);
    color: var(--color-background-darkened);
    outline: 0;
}

.button.ex-warning:focus:enabled, button.ex-warning:focus:enabled, input.ex-warning[type="submit"]:focus:enabled, input.ex-warning[type="reset"]:focus:enabled, input.ex-warning[type="button"]:focus:enabled,
.button.ex-warning:hover:enabled, button.ex-warning:hover:enabled, input.ex-warning[type="submit"]:hover:enabled, input.ex-warning[type="reset"]:hover:enabled, input.ex-warning[type="button"]:hover:enabled {
    background-color: var(--color-warning-darkened);
    border-color: var(--color-warning-darkened);
    color: var(--color-background-darkened);
    outline: 0;
}

.button.ex-danger:focus:enabled, button.ex-danger:focus:enabled, input.ex-danger[type="submit"]:focus:enabled, input.ex-danger[type="reset"]:focus:enabled, input.ex-danger[type="button"]:focus:enabled,
.button.ex-danger:hover:enabled, button.ex-danger:hover:enabled, input.ex-danger[type="submit"]:hover:enabled, input.ex-danger[type="reset"]:hover:enabled, input.ex-danger[type="button"]:hover:enabled {
    background-color: var(--color-danger-darkened);
    border-color: var(--color-danger-darkened);
    color: var(--color-background-darkened);
    outline: 0;
}

textarea, select, input {
    color: var(--color-text);
    padding: 6px 10px; /* The 6px vertically centers text on FF, ignored by Webkit */
    margin-bottom: 10px;
    background-color: var(--color-background-darkened);
    border: 1px solid var(--color-background-darkened);
    border-radius: 4px;
    box-shadow: none;
    box-sizing: border-box;
    font-size: 1.0em;
}

input[type="checkbox"] {
    width: 20px;
    height: 20px;
    color: var(--color-accent-text);
}

textarea:focus, select:focus, input:focus {
    border: 1px solid var(--color-accent);
    outline: 0;
}

input[type="checkbox"]:focus {
    outline: 1px dotted var(--color-accent);
}

label, legend, fieldset {
    display: block;
    margin-bottom: .5rem;
    font-weight: 600;
}