* {
  margin: 0; padding: 0;
}
body {
  font-size: 100%;   
}
a {color: #221f20;}
a:link { text-decoration: none; }
a:visited {color: #221f20;}
a:hover  {color: #677ef3;}
a:active  {color: #221f20;}

.accordion {
  width: 820px;
  margin: 0px auto;
}
.accordion h1, h2, h3, h4 {
  cursor: pointer;
}
.accordion h1, h2, h3, h4, p {
  font-family: 'Lexend',Arial;
  font-weight: normal;
}
.accordion h1 {
  padding: 15px 20px;
  background-color: #ddfb0d;
  font-size: 2.3rem;
  color: #221f20;
}
.accordion h1:hover {
  color: #677ef3;
}
.accordion h1:first-child {
  border-radius: 15px 15px 0 0;
}
.accordion h1:last-of-type {
  border-radius: 0 0 15px 15px;
}
.accordion h1:not(:last-of-type) {
  border-bottom: 1px dotted #24d6a2;
}
.accordion div, .accordion p {
  display: none;
}
.accordion h2 {
  padding: 10px 25px;
  background-color: #ddd;
  font-size: 2.2rem;
  color: #323232;
}
.accordion h2:hover {
  background-color: #24d6a2;
}
.accordion h3 {
  padding: 5px 25px;
  background-color: #274156;
  font-size: 2.1rem;
  color: #fbfcff; 
}
.accordion h3:hover {
  background-color: #24d6a2;
}
.accordion h4 {
  padding: 5px 25px;
  background-color: #ddd;
  font-size: 2.1rem;
  color: #605856; 
}
.accordion h4:hover {
  background-color: #eeebe7;
}
.accordion p {
  padding: 10px 25px;
  background-color: #fbfcff;
  font-size: 2.1rem;
  color: #333;
  line-height: 2.5rem;
  font-weight: bold;
}
.accordion .opened {
  display: block;
}