<ul class="cp_list">
  <li>css</li>
  <li>html</li>
  <li>copy</li>
  <li>easy</li>
</ul>

ul.cp_list {
  position: relative;
  padding: 0;
  list-style-type: none;
}
ul.cp_list li {
  display: flex;
  align-items: center;
  padding: 5px 0px 5px 30px;
  margin-bottom: 5px;
  color: #ffffff;
  background: #009688;
  border-radius: 20px 0px 0px 20px;
}
ul.cp_list li::before {
  position: absolute;
  left: 10px;
  content:'';
  width:1em;
  height: 1em;
  background: #fff;
  border-radius: 50%;
}