:root {
    --font-size: 20px; 
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    /* Overflow is needed here to fix a scrolling issue that appears when you have margins on children of an element with min-height: 100vh */
    overflow: auto;
}

html {
    background-color: var(--background-color)
}

body {
    min-height: 100vh;
    color: var(--text-color);
    font-size: var(--font-size);
    font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

h1 {
    font-size: 30px;
}

h2 {
    font-size: 26px;
}

h3 {
    font-size: 22px;
}

h4 {
    font-size: 20px;
}

h5 {
    font-size: 18px;
}

h6 {
    font-size: 16px;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
pre {
    margin: 1rem 0;
}

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

a:visited {
    color: var(--visited-anchor-color);
    outline-color: var(--visited-anchor-color);
}

a:hover,
a:active {
    text-decoration: underline;
}

.content {
    padding: 1em;
}

.content> :first-child {
    margin-top: 0;
}

.content> :last-child {
    margin-bottom: 0;
}

.center-elements {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.center-column {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}

.column {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.row {
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
}

.grow {
    flex-grow: 1;
}

.gap {
    gap: 0.5rem;
}

.center-text {
    text-align: center;
}