Source http://www.elegantthemes.com/blog/tips-tricks/9-useful-divi-css-snippets-you-can-add-to-epanel-in-seconds

.dots-list {
width: 100%;
}
.dots-list ol {
padding-left: 50px;
position: relative;
margin-bottom: 20px;
list-style: none !important;
}
.dots-list ol li {
position: relative;
margin-top: 0em;
margin-bottom: 20px;
}
.dots-list ol li .number_divider {
position: absolute;
left: -50px;
font-weight: 800;
font-size: 2em;
top: -5px;
}
.dots-list ol li:before {
content: "";
background: #8dbeb2;
position: absolute;
width: 2px;
top: 1px;
bottom: -21px;
left: -24px;
}
.dots-list ol li:after {
content: "";
background: #8dbeb2;
position: absolute;
width: 15px;
height: 15px;
border-radius: 100%;
top: 1px;
left: -31px;
}
.dots-list ol li:last-child:before {
content: "";
background: #ffffff;Code language: CSS (css)