ol {
list-style: lower-alpha;
margin-left: 3em;
}
ol ol {
list-style: decimal;
margin-left: 1em;
}
ol ol ol {
list-style-type: upper-alpha;
}
ol ol ol ol {
list-style-type: lower-roman;
}
.emphasis {
background-color: #ffc;
padding: 1em;
border: 1.5px solid #aaa;
}