// Set up some basic styling for everything
html {
  font-size: 16px;
  scroll-behavior: smooth;
}
html, * {
  font-family: 'Noto Sans', Helvetica, sans-serif;
  line-height: 1.5;
  // Prevent adjustments of font size after orientation changes in mobile.
  -webkit-text-size-adjust: 100%;
}
* {
  font-size: 1rem;
  font-weight: 400;
}
// Apply fixes and defaults as necessary for modern browsers only
a, b, del, em, i, ins, q, span, strong, u {
  transition: 0.3s ease all;
  font-size: 1em; // Fix for elements inside headings not displaying properly.
}
body {
  margin: 0;
  color: var(--fore-color);
  background: var(--background-color);
  overflow-x: hidden;
  &.card-page {
    background: var(--card-page-color);
  }
}
// Correct display for Edge & Firefox.
details {
  display: block;
}
// Correct display in all browsers.
summary {
  display: list-item;
}
// Abbreviations
abbr[title] {
  border-bottom: none;           // Remove bottom border in Firefox 39-.
  text-decoration: underline dotted;  // Opinionated style-fix for all browsers.
}
// Show overflow in Edge.
input {
  overflow: visible;
}
// Correct the cursor style of increment and decrement buttons in Chrome.
[type="number"]::-webkit-inner-spin-button, [type="number"]::-webkit-outer-spin-button {
  height: auto;
}
// Correct style in Chrome and Safari.
[type="search"] {
  -webkit-appearance: textfield;
  outline-offset: -2px;
}
// Correct style in Chrome and Safari.
[type="search"]::-webkit-search-cancel-button, [type="search"]::-webkit-search-decoration {
  -webkit-appearance: none;
}
// Make images responsive by default.
img {
  max-width: 100%;
  height: auto;
}
// Style headings according to material design guidelines
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  margin: 0.75rem 0.5rem;
}
h1 {
  font-size: 6rem;
  &.landing-title {
    font-size: 3rem;
    text-align: center;
    & small {
      display: block;
      margin-top: 0.5rem;
      color: var(--secondary-fore-color);
    }
    margin-bottom: 4rem;
  }
}
h2 {
  font-size: 3.75rem;
}
h3 {
  font-size: 3rem;
}
h4 { 
  font-size: 2.125rem;
}
h5 {
  font-size: 1.5rem;
}
h6 {
  font-size: 1.25rem;
}
// Style textual elements
p {
  margin: 0.5rem;
}
ol, ul {
  margin: 0.5rem;
  padding-left: 1rem;
}
b, strong {
  font-weight: 600;
}
hr {
  // Fixes and defaults for styling
  box-sizing: content-box;
  border: 0;
  // Actual styling using variables
  line-height: 1.25em;
  margin: 0.5rem;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border-color) 20%, var(--border-color) 80%, transparent);
}
sup, sub, code, kbd {
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}
a {
  text-decoration: none;
  &:link{
    color: var(--a-link-color);
  }
  &:visited {
    color: var(--a-visited-color);
  }
  &:hover, &:focus {
    text-decoration: underline;
  }
}