html {
  color: #222;
  font-size: 1em;
  line-height: 1.4;
}

body {
  margin: 0;
  width: 100%;
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  background-color: lightgray;
  color: #333;
}

header {
  background-color: #222;
  color: #fff;
  padding: 20px;
  display: flex;
  flex-direction: row;
  text-align: center;
}

header h1 {
  margin-bottom: 10px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 15px;
}

nav a {
  color: #fff;
  text-decoration: none;
}

.hero {
  background: linear-gradient(135deg, #4b6cb7, #182848);
  color: #fff;
  padding: 100px 20px;
  text-align: center;
}

.hero h2 {
  font-size: 2.5em;
  margin-bottom: 20px;
  color: white;
}

.hero p {
  font-size: 1.2em;
  margin-bottom: 30px;
}

.btn {
  background-color: #ff6f61;
  color: #fff;
  padding: 10px 25px;
  text-decoration: none;
  border-radius: 5px;
}

section {
  padding-top: 20px;
  max-width: 800px;
  margin: auto;
}

section h2 {
  margin-bottom: 20px;
  color: #4b6cb7;
}

h3 {
  color: #0839ab;
  size: 0.8em;
}

section ul {
  list-style: none;
}

section ul li {
  margin-bottom: 10px;
}

footer {
  background-color: #222;
  color: #fff;
  text-align: center;
  padding: 15px;
}

::-moz-selection {
  background: #b3d4fc;
  text-shadow: none;
}

::selection {
  background: #b3d4fc;
  text-shadow: none;
}

hr {
  display: block;
  height: 1px;
  border: 0;
  border-top: 1px solid #ccc;
  margin: 1em 0;
  padding: 0;
}

audio,
canvas,
iframe,
img,
svg,
video {
  vertical-align: middle;
}

fieldset {
  border: 0;
  margin: 0;
  padding: 0;
}

textarea {
  resize: vertical;
}

.hidden,
[hidden] {
  display: none !important;
}

.visually-hidden {
  border: 0;
  clip: rect(0, 0, 0, 0);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

.visually-hidden.focusable:active,
.visually-hidden.focusable:focus {
  clip: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  position: static;
  white-space: inherit;
  width: auto;
}

.invisible {
  visibility: hidden;
}

.clearfix::before,
.clearfix::after {
  content: "";
  display: table;
}

.clearfix::after {
  clear: both;
}

@media only screen and (min-width: 35em) {
}

@media print,
  (-webkit-min-device-pixel-ratio: 1.25),
  (min-resolution: 1.25dppx),
  (min-resolution: 120dpi) {
}

@media print {
  *,
  *::before,
  *::after {
    background: #fff !important;
    color: #000 !important;
    /* Black prints faster */
    box-shadow: none !important;
    text-shadow: none !important;
  }

  a,
  a:visited {
    text-decoration: underline;
  }

  a[href]::after {
    content: " (" attr(href) ")";
  }

  abbr[title]::after {
    content: " (" attr(title) ")";
  }

  a[href^="#"]::after,
  a[href^="javascript:"]::after {
    content: "";
  }

  pre {
    white-space: pre-wrap !important;
  }

  pre,
  blockquote {
    border: 1px solid #999;
    page-break-inside: avoid;
  }

  tr,
  img {
    page-break-inside: avoid;
  }

  p,
  h2,
  h3 {
    orphans: 3;
    widows: 3;
  }

  h2,
  h3 {
    page-break-after: avoid;
  }
}