Documentation: changes to improve readability (I)

[ogsamovar]

• adding margin: 10px 0; to <li> tag
• adding font-weight: 300; to .markdownContainer p instead of font-weight: 400;
• adding margin-top: 40px; to .markdownContainer h2 instead of margin-top: 24px;
• change the padding of .documentsContainer .documentContainer .rightSection to padding: 0px 25px 25px 30px;

EDIT:

• add to <pre> / <code> {

  background-color: #15062d;
  color: #EBA7DA;
  border-radius: 0.3em;
  padding: 4px 5px 6px;
  white-space: nowrap;

  }