style.css

@font-face {
  font-family: 'Cerebri Sans';
  src: url(CerebriSans-Bold.otf);
}

body {
  position: relative;
  height: 100%;

  font-family: 'Cerebri Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI',
    Roboto, Oxygen, Ubuntu, Cantarell, 'Fira Sans', 'Droid Sans',
    'Helvetica Neue', 'Microsoft Yahei', sans-serif;
  font-feature-settings: 'liga' 1, 'dlig' 1, 'lnum' 1, 'ordn' 1, 'halt' 1,
    'kern' 1, 'kern';
  text-rendering: optimizeLegibility;
  word-break: break-word;
  word-wrap: break-word;
  -webkit-font-kerning: normal;
  font-kerning: normal;
  -moz-font-feature-settings: 'kern';
  -webkit-font-feature-settings: 'kern';
  -webkit-tap-highlight-color: transparent;
  -webkit-font-smoothing: antialiased;

  font-size: 16px;
  min-height: 100vh;

  color: white;
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 0 12px 20px rgba(0, 0, 0, 0.1);
}

.bg {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  z-index: -1;
}

#logo {
  height: 160px;
  margin-left: -15px;
}

.hover-expand {
  transition: all 0.2s ease;
  cursor: default;
}
.hover-expand:hover {
  box-shadow: 0 0 0 20px #fff, 5px 15px 30px 20px rgba(0, 0, 0, 0.05);
}

.hover-underline {
  position: relative;
}
.hover-underline:after {
  content: '';
  display: block;
  position: absolute;
  bottom: 0;
  width: 0%;
  height: 0.1em;
  background: currentColor;
  box-shadow: 0 12px 20px rgba(0, 0, 0, 0.1);
  transition: all 0.2s ease;
}
.hover-underline:hover:after {
  width: 100%;
}

.icon,
#logo,
.qrcode {
  filter: drop-shadow(0 10px 10px rgba(0, 0, 0, 0.2));
}

#logo,
.qrcode {
  mix-blend-mode: lighten;
}

.container {
  width: 100%;
  max-width: 1080px;
  margin: auto;
  padding: 0 2em;
  box-sizing: border-box;
}

.hero {
  height: 70vh;
  min-height: 500px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  box-sizing: border-box;
}

.card {
  position: relative;
  box-sizing: border-box;
  margin: 2em;
  padding: 2em;
  border-radius: 2em;
  box-shadow: 0 0 0 8px #fff, 5px 15px 30px 20px rgba(0, 0, 0, 0.05);
}

.card-title {
  display: inline-block;
  font-size: 2em;
  margin-bottom: 0.5em;
}

.card-title img {
  position: absolute;
  right: -25px;
  bottom: 6px;
}

.card-body {
  position: relative;
}

.card-body .icon {
  max-height: 200px;
  max-height: 25vmin;
  width: 50%;
  float: right;
  margin-left: 2em;
  margin-top: -1em;
  margin-bottom: 1em;
}

.card-body p {
  line-height: 1.5em;
  font-weight: 300;
}

section {
  display: flex;
  margin: 0 -1em 0 -2em;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
}

section .column {
  display: flex;
  flex-direction: column;
  flex: 1 0 350px;
}

.icon-dog {
  display: inline-block;
  max-width: 18vh;
  margin-bottom: 2em;
}

h1 {
  display: inline-block;
  font-size: 3em;
  cursor: default;
}

h1 small {
  font-size: 60%;
}

h6 {
  font-size: 0.8em;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

footer {
  margin: 20vh 0 10vh;
}

footer img {
  float: right;
}

*::selection {
  background: none;
}
a::selection,
p::selection,
small::selection,
h1::selection,
h2::selection,
h6::selection {
  background: black;
}

.bg-blue {
  background: #4776e6;
  background: linear-gradient(to top, #3d0d88, #1793dc);
  // background-attachment: fixed;
}

.bg-red {
  background: #cb2d3e;
  background: linear-gradient(to bottom, #ef473a, #cb2d3e);
  // background-attachment: fixed;
}

.bg-cyan {
  background: #1cd8d2;
  background: linear-gradient(to bottom, #93edc7, #1cd8d2);
  // background-attachment: fixed;
}

@media screen and (max-width: 360px) {
  body {
    font-size: 14px;
  }
}

@media screen and (max-width: 320px) {
  body {
    font-size: 12px;
  }
}