.header {
  color: #3c3c3c;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.3),
    rgba(255, 255, 255, 0.1)
  );
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 20px;
  border: 0 solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  font-family: "Varela", sans-serif;
  font-weight: bold;
  font-style: normal;
  position: relative;
  width: 50%;
  height: 100px;
  font-size: 1rem;
  transition: all 0.3s;
}

.header:hover {
  background-color: #3c3c3c;
  color: whitesmoke;
}

.openable {
  padding: 1%;
}

.openable {
  width: 100%;
  margin-bottom: 2%;
}

.openable button {
  width: 100%;
  cursor: pointer;
}

.openable .content {
  background: linear-gradient(
    135deg,
    rgba(255, 255, 20, 0.1),
    rgba(255, 255, 255, 0)
  );
  backdrop-filter: blur(100px);
  -webkit-backdrop-filter: blur(100px);
  border-radius: 20px;
  border: 0 solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease-in-out;
}

.openable .content > * {
  text-align: left;
  overflow: hidden;
  visibility: hidden;
  transition: visibility 0.3s ease-in-out;
  padding-inline: 1rem;
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Oxygen,
    Ubuntu,
    Cantarell,
    "Open Sans",
    "Helvetica Neue",
    sans-serif;
}

.openable .content * {
  text-align: left;
  visibility: hidden;
  transition: visibility 0.3s ease-in-out;
  padding-inline: 1rem;
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Oxygen,
    Ubuntu,
    Cantarell,
    "Open Sans",
    "Helvetica Neue",
    sans-serif;
}

.openable .content ul,
.openable .content ol {
  list-style-position: inside;
}

.openable .content > * {
  margin: 0;
  transition:
    visibility 0.3s ease-in-out,
    margin 0.3s ease-in-out;
}

.openable.open .content {
  grid-template-rows: 1fr;
}

.openable.open .content * {
  visibility: visible;
}

.openable.open .content > * {
  margin: 10px;
}