/* CSS Reset */
/* Resetting margins, paddings, and borders */
html, body,
h1, h2, h3, h4, h5, h6,
a, p, span,
em, small, strong,
sub, sup,
mark, del, ins, strike,
abbr, dfn,
blockquote, q, cite,
code, pre,
ol, ul, li, dl, dt, dd,
div, section, article,
main, aside, nav,
header, hgroup, footer,
img, figure, figcaption,
address, time,
audio, video,
canvas, iframe,
details, summary,
fieldset, form, label, legend,
table, caption,
tbody, tfoot, thead,
tr, th, td {
  border: 0;
  margin: 0;
  padding: 0;
}

/* Box sizing */
html {
  box-sizing: border-box;
}

*, *:before, *:after {
  box-sizing: inherit;
}

/* Sizing - Height */
body {
  min-height: 100vh;
}

/* Typography */
body {
  font-size: 1rem;
  line-height: 1.5;
}

* {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

a,
a:visited {
  color: inherit;
}

/* Resetting specific element styles */
ol,
ul {
  list-style: none;
}

img,
video {
  max-width: 100%;
}

img {
  border-style: none;
}

a {
  text-decoration: none;
}

/* Basic rules */
.page {
  background-color: hsl(218, 23%, 16%);
  font-family: 'Manrope', sans-serif;
}

.container {
  align-items: center;
  display: flex;
  justify-content: center;
  min-height: 100vh;
  padding: 40px 20px;
}

.app {
  background-color: hsl(217, 19%, 24%);
  border-radius: 8px;
  box-shadow: 0 0 20px 2px #353b46;
  flex-basis: 500px;
  padding: 30px;
  position: relative;
  text-align: center;
}

.app__title {
  color: hsl(150, 100%, 66%);
  font-size: .875rem;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.app__advice {
  color: hsl(193, 38%, 86%);
  display: block;
  font-size: 1.5rem;
  margin-top: 30px;
}

.app__divider {
  display: block;
  margin-top: 40px;
  margin-bottom: 40px;
}

.app__btn {
  align-items: center;
  background-color: hsl(150, 100%, 66%);
  border: 1px solid transparent;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  height: 55px;
  justify-content: center;
  left: 50%;
  position: absolute;
  transform: translateX(-50%);
  transition: box-shadow .8s;
  width: 55px;
}

.app__btn:hover {
  box-shadow: 0 0 30px 6px hsl(150, 100%, 66%);
}