.learn{
  background: #f9f9f9;
  color: #000;
}

.learnList{
  max-width: 560px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
}

.learnList li{
  padding-left: 35px;
  position: relative;
}

.learnList li::before{
  content: "";
  width: 14px;
  height: 8px;
  border-left: solid 3px var(--secundaryColor);
  border-bottom: solid 3px var(--secundaryColor);
  transform: rotate(-45deg);
  position: absolute;
  top: 4px;
  left: 2px;
}

.learnList li ul{margin-top: 30px;}

.learnList li ul li{
  padding-left: 0;
  list-style: none;
}

.learnList li ul li::before{
  left: -35px;
  border-left: solid 3px var(--thirdColor);
  border-bottom: solid 3px var(--thirdColor);
}