heinstrom.com/css/style.css

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
  min-height: 100%;
  overflow: hidden;
  margin: 0;
  padding: 0;
}

body {
  background-color: #0e0e0e;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}

.background {
  background-color: #0e0e0e;
  background-image: repeating-linear-gradient(
    135deg,
    #000,
    #19191a 1%,
    transparent 1.5%,
    transparent 50%
  );
  background-size: 100px 100px;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  animation: fade-in 2750ms ease-out forwards;
  opacity: 0;
}

.card {
  display: block;
  position: relative;
  max-width: 420px;
  width: 80%;
  height: 260px;
  color: #fff;
  flex: none;
  perspective: 1000px;
}

.card__figure {
  margin: 0;
  width: 100%;
  height: 100%;
  display: block;
  position: relative;
  background: #111;
  border-radius: 3px;
}

.card__figure::before {
  content: "";
  position: absolute;
  width: calc(100% - 14px);
  height: calc(100% - 14px);
  top: 6px;
  left: 6px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  pointer-events: none;
  box-shadow: 0 30px 20px rgb(0 0 0 / 50%);
}

.card__deco {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
  border-radius: 3px;
}

.card__deco--shine div {
  position: absolute;
  width: 200%;
  height: 200%;
  top: -50%;
  left: -50%;
  background-image: linear-gradient(
    45deg,
    rgba(0, 0, 0, 0.9) 0%,
    rgba(200, 200, 200, 0.05) 50%,
    transparent 100%
  );
}

figcaption {
  height: 100%;
  padding: 25px;
  color: #eee;
  font-family: Avenir;
  display: flex;
  justify-content: space-between;
  flex-direction: column;
}

h1 {
  margin: 0;
  font-size: 3.3rem;
  line-height: 3.3rem;
  font-weight: 900;
}

.links {
  display: flex;
  justify-content: space-between;
  font-weight: 900;
  align-items: center;
}

a {
  color: #ddd;
  transition: color 100ms ease;
  height: 20px;
}

a:hover {
  color: #eee;
}

p {
  margin: 0;
}

svg {
  width: 20px;
  height: 20px;
  border-radius: 3px;
  fill: currentColor;
}

@keyframes fade-in {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

@media screen and (max-width: 430px) {
  .card {
    height: 450px;
  }
}

@media screen and (max-width: 380px) {
  h1 {
    font-size: 2.8rem;
    line-height: 2.8rem;
  }
}

@media screen and (max-width: 330px) {
  h1 {
    font-size: 2rem;
    line-height: 2rem;
  }
}

@media screen and (max-width: 250px) {
  h1 {
    font-size: 1.3rem;
    line-height: 1.3rem;
  }
}