fxa/packages/fortress/static/main.css

@font-face {
  font-family: 'Metropolis';
  font-style: normal;
  font-weight: 700;
  src: url('/fonts/Metropolis/Metropolis-Bold.woff2') format('woff2');
}

@font-face {
  font-family: 'Metropolis';
  font-style: normal;
  font-weight: 600;
  src: url('/fonts/Metropolis/Metropolis-SemiBold.woff2') format('woff2');
}

@font-face {
  font-family: 'Metropolis';
  font-style: normal;
  font-weight: 500;
  src: url('/fonts/Metropolis/Metropolis-Medium.woff2') format('woff2');
}

:root {
  --key-color: #20123a;
  --block-size: 16px;
  --highlight: #9059ff;
  --wild-gradient: repeating-linear-gradient(
    -135deg,
    #9059ff,
    #d74cf0,
    #ffd567,
    #ffd567,
    #d74cf0,
    #9059ff
  );
}

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

body {
  align-items: center;
  color: var(--key-color);
  display: flex;
  flex-direction: column;
  font-family: 'Metropolis', sans-serif;
  height: 100vh;
  justify-content: flex-start;
  margin: 0;
  padding: 64px 0;
}

.icon-wrap {
  background-color: var(--key-color);
  margin: 0 0 calc(2 * var(--block-size));
}

.icon {
  background: url(/img/icon.svg) center center space;
  background-size: calc(3 * var(--block-size));
  height: calc(4 * var(--block-size));
  transition: transform 150ms ease-out;
  width: calc(4 * var(--block-size));
}

.icon-wrap:hover {
  animation: spin 1s linear infinite;
  background-image: var(--wild-gradient);
  background-size: 200%;
}

h1 {
  font-size: 54px;
  margin: 0 0 20px;
}

h2 {
  font-size: 32px;
  margin: 0;
  opacity: 0.7;
}

h3 {
  font-size: 24px;
  margin: 0 0 20px;
}

h4 {
  margin: 0 0 24px;
}

.cards {
  display: flex;
  margin: 36px;
}

.card {
  border-radius: 4px;
  border: 3px solid var(--key-color);
  margin: 0 24px;
  padding: 24px;
  width: 320px;
}

.popular {
  box-shadow: 0 5px 18px rgba(0, 0, 0, 0.2);
}

.price-card {
  align-items: center;
  display: flex;
  flex-direction: column;
}

.price-card h3,
.price-card h4,
.price-card p {
  text-align: center;
}

.price-card h3 {
  font-size: 16px;
}

.price-card h4 {
  font-size: 48px;
  margin-bottom: 8px;
}

.price-card p {
  margin-top: 0;
  font-weight: 500;
}

.price-card .billed {
  margin: 16px 0 24px;
}

.savings,
.no-savings {
  border-radius: 16px;
  border: 2px solid var(--key-color);
  margin: 24px 0;
  padding: 4px 0;
}

.no-savings {
  opacity: 0.5;
}

.card ul {
  margin: 0 0 24px;
  padding: 0 0 0 12px;
}

.card li {
  font-size: 16px;
  margin: 0 0 12px;
}

.button {
  align-items: center;
  border: 3px solid var(--key-color);
  color: var(--key-color);
  display: flex;
  font-weight: 700;
  justify-content: center;
  padding: 16px;
  text-decoration: none;
  transition: background-image 250ms;
  user-select: none;
  width: 100%;
}

del {
  position: relative;
  text-decoration: none;
}

del::after {
  content: '';
  height: 2px;
  left: 0;
  right: 0;
  position: absolute;
  background: red;
  top: calc(50% - 2px);
  transform: rotate(20deg);
}

del::before {
  content: '';
  height: 2px;
  left: 0;
  right: 0;
  position: absolute;
  background: red;
  top: calc(50% - 2px);
  transform: rotate(-20deg);
}

.discount {
  position: relative;
}

.discount::before {
  content: '';
  height: 2px;
  left: 0;
  right: 0;
  position: absolute;
  background: var(--key-color);
  bottom: -2px;
}

.button:hover {
  animation: spin 1s linear infinite;
  background-image: var(--wild-gradient);
  background-size: 200%;
}

.highlight {
  color: var(--highlight);
}

.link {
  color: (var(--key-color));
  display: block;
  font-weight: 700;
  margin: 24px 0 0;
  text-align: center;
  text-decoration: none;
}

@keyframes spin {
  100% {
    background-position: 200% 200%;
  }
}