small-card.css

.card-custom {
  overflow: hidden;
  min-height: 450px;
  border: 0;
  box-shadow: 0 0 15px rgba(10, 10, 10, 0.3);
}

.card-custom-img {
  height: 200px;
  min-height: 200px;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  border-color: inherit;
}

/* First border-left-width setting is a fallback */
.card-custom-img::after {
  position: absolute;
  content: '';
  top: 161px;
  left: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-top-width: 40px;
  border-right-width: 0;
  border-bottom-width: 0;
  border-left-width: 545px;
  border-left-width: calc(575px - 5vw);
  border-top-color: transparent;
  border-right-color: transparent;
  border-bottom-color: transparent;
  border-left-color: inherit;
}

.card-custom-avatar img {
  border-radius: 50%;
  box-shadow: 0 0 15px rgba(10, 10, 10, 0.3);
  position: absolute;
  top: 100px;
  left: 1.25rem;
  width: 100px;
  height: 100px;
}