h1 {
  text-align: left;
  border-left: 10px solid #999999;
  border-bottom: 3px solid #999999;
  padding-left: 10px;
  text-shadow: 2px 2px 3px #cccccc;
  border-bottom-left-radius: 30px 20px;
  box-shadow: 0px 5px 0px 0px #cccccc;
}

img {
  width: 75%;
  border: 2px solid #999999;
}

ul li {
  list-style-type: square;
}
dl dt {
  font-size: larger;
}
a {
  text-decoration: underline;
  color: black;
  transition: all 0.5s;
}
a:visited {
  text-decoration: underline;
  color: black;
}
a:hover {
  text-decoration: none;
  color: #999999;
}
dl dt::before {
  content: "● ";
  color: #999999;
  font-size: smaller;
}

ol li {
  margin-bottom: 5px;
}

main {
  border: 2px solid #999999;
  border-radius: 20px;
  padding-left: 10px;
  padding-right: 30px;
}

h2 {
  border-left: 5px solid #999999;
  border-right: 5px solid #999999;
  border-radius: 30px / 20px;
  padding-left: 25px;
  padding-right: 25px;
  font-weight: normal;
  text-shadow: 2px 2px 3px #cccccc;
  display: inline-block;
}