.container {
  padding: 0 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.answer {
  margin: 10px 0;
  padding: 20px;
  background-color: #fdf9f9;
  display: none;
}

.shown .answer {
  display: block;
}

.accordion {
  margin: 0;
  padding: 0;
  list-style: none;
  overflow: auto;
}
.accordion h3 {
  border: 1px solid #2b2020;
  border-radius: 3px;
  position: relative;
  margin: 10px 0;
  padding: 20px;
  color: black;
  font-size:18px;
}
.accordion h3::after, .accordion h3::before {
  top: 50%;
  border: solid transparent;
  content: " ";
  height: 0;
  width: 0;
  position: absolute;
  pointer-events: none;
  margin-top: -5px;
  right: 30px;
  transition: border-top-color 150ms;
}
.accordion h3::after {
  border-top-color: white;
  border-width: 7px;
  margin-right: -10px;
}
.accordion h3::before {
  border-top-color: #2b2020;
  border-width: 10px;
  margin-right: -13px;
}
.accordion h3:hover {
  background-color: #2b2020;
  color: white;
}