body {
  background: rgb(238, 174, 202);
  background: radial-gradient(
    circle,
    rgba(238, 174, 202, 1) 0%,
    rgba(148, 187, 233, 1) 100%
  );
}

.card {
  border-width: 2px;
  border-style: solid;
  border-image: linear-gradient(to bottom, red, black) 1;
}