*, ::before, ::after {
  box-sizing: border-box;
}
details {
  margin: 1rem auto;
  padding: 0 1rem;
  width: 100%;
  position: relative;
  
  color: #263238;
  transition: background-color 0.15s;
}
details > :last-child {
  margin-bottom: 5px;

}
details::before {
  width: 100%;
  height: 100%;
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  border-radius: inherit;
  opacity: 0.15;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: -1;
}
details[open] {

  
}
details[open]::before {
  opacity: 0.6;
}
summary {
  padding: 1rem 2em 1rem 1rem;
  border-top: 1px solid #d4d6b1;
  display: block;
  position: relative;
  font-size: 1.33em;
  font-weight: bold;
  cursor: pointer;
	}
details[open] summary{
background: #efeac1;
border-radius: 5px;
}

summary::before, summary::after {
  width: 0.75em;
 
  height: 2px;
  position: absolute;
  top: 50%;
  right: 20px;
  content: '';
  background-color: currentColor;
  text-align: right;
  transform: translateY(-50%);
  transition: transform 0.2s ease-in-out;
}
summary::after {
	
  transform: translateY(-50%) rotate(90deg);
}
[open] summary::after {

  transform: translateY(-50%) rotate(180deg);
}
summary::-webkit-details-marker {
  display: none;
}
p {
  margin: 0 0 1em;
  line-height: 1.5;
}
ul {
  margin: 0 0 1em;
  padding: 0 0 0 1em;
}
li:not(:last-child) {
  margin-bottom: 0.5em;
}
code {
  padding: 0.2em;
  border-radius: 3px;
  background-color: #E0E0E0;
}
pre > code {
  display: block;
  padding: 1em;
  margin: 0;
}