CSS change List Bullet

ul.mw-list-skew-bullets {
  list-style: none;
  margin-left: 1em;
  line-height: 2em;
}

ul.mw-list-skew-bullets li::before {
  content: "";
  color: #034c93;
  font-weight: bold; 
  display: inline-block;
  width: .8em;
  height: .8em;
  background: #034c93;
  margin-left: -1em;
  margin-right: 10px;
  transform: skew(-15deg);
}

ul.mw-list-strich, ul.mw-list-strich li>ul {
  list-style: none;
  margin-left: 1em;
}

ul.mw-list-strich li::before {
  content: "-";
  font-weight: bold; 
  display: inline-block;
  width: .8em;
  margin-left: -1em;
}

ul.mw-list-strich li>ul li:before {
  content: "-";
  font-weight: bold; 
  display: inline-block;
  width: .8em;
  margin-left: -1em;
}