.accordion {
  background-color: #000;
  border: #fff 1px solid;
  color: #fff;
  cursor: pointer;
  font-family: inherit;
  /*outline: #fff 1px solid;*/
  padding: 2px 1.25%;
  text-align: left;
  transition: 0.5s;
  width: 100%;
}

.panel {
  background-color: #000;
  border-bottom: #fff 1px solid;
  border-left: #fff 1px solid;
  border-right: #fff 1px solid;
  max-height: 0;
  overflow: hidden;
  padding: 2px 1.25%;
  transition: max-height 0.3s ease-out;
}