.accordion {
  width: 90%;
  max-width: 1000px;
  margin: 2rem auto;
}
.accordion-item {
  background: linear-gradient(#000,#000) padding-box,
  linear-gradient(45deg, rgba(15,0,89,1) 0%, rgba(4,83,218,1) 50%,rgba(227,249,81,1) 80%) border-box;
  color: #ddd;
  margin: 1rem 0;
  border: solid 2px transparent;
  border-radius: 0.8rem;
  box-shadow: 0 2px 5px 0 rgba(0,0,0,0.25);
}
.accordion-item-header {
  padding: 0.5rem 3rem 0.5rem 1rem;
  min-height: 3.5rem;
  line-height: 1.25rem;
  font-weight: bold;
  display: flex;
  align-items: center;
  position: relative;
  cursor: pointer;
}
.accordion-item-header::after {
  content: "\002B";
  font-size: 2rem;
  position: absolute;
  right: 1rem;
  font-weight: 100;
}
.accordion-item-header.active::after {
  content: "\2212";
}
.accordion-item-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.2s ease-out;
}
.accordion-item-body-content {
  padding: 1rem;
  line-height: 1.5rem;
  border-top: 1px solid;
  border-image: linear-gradient(to right, transparent, orange, transparent) 1;
}