html {
  font-size: 15px;
  font-family: 'Helvetica', sans-serif;
  background-color: #FFFFFF;
 }

h1 {
  font-size: 45px;
  text-align: center;
  margin: 0;
  padding: 20px 0;
  color: #000000;
  <!-- text-shadow: 3px 3px 1px black; -->
}

h2 {
  font-size: 25px;
  text-align: center;
  margin: 0 auto;
  padding: 10px 0;
  color: #000000;
  <!-- text-shadow: 3px 3px 1px black; -->
}

h3 {
  text-decoration: underline;
  font-weight: bold;
  font-size: 18px;
  margin: 0;
  padding: 5px 0;
  color: #000000;
}

p, li {
  <!-- font-weight: bold; -->
  font-size: 15px;
  line-height: 2;
  letter-spacing: 1px;
  font-family: 'Helvetica', sans-serif;
}
	  
body {
  margin: 0 auto;
  background-color: #FFFFFF;
  padding: 0 20px 20px 20px;
  border: 5px solid black;
  top: 0;
  left: 20;
  width: 60%;
  height: 100%;
}

img {
  display: block;
  margin: 0 auto;
}

.toggle-box {
  display: none;
}

.toggle-box + label {
  display: flex;
  align-items: center;
  user-select: none;
  cursor: pointer;
}

.toggle-box + label:before {
  content: '\25B6 ';
  padding-right:10px;
  display: inline-block;
}

.toggle-box + label + div {
  display: none;
}

.toggle-box:checked + label + div {
  display: block;
  background: #F0F0F0;
  padding:5px;
}

.toggle-box:checked + label:before {
  content: '\1F53D ';
  padding-right:10px;
  display: inline-block;
}

label {
  height: 30px;
}