HTML5+CSS3响应式组织结构图

Primary

Primary

Primary
1. Secondary
  1. Tertiary
  2. Tertiary
    1. Quaternary
    2. Quaternary
      1. Quinary
      2. Quinary
        
        Senary
    3. Quaternary
  3. Tertiary
2. Secondary
  1. Tertiary
  2. Tertiary
    1. Quaternary
    2. Quaternary
    3. Quaternary
3. Secondary
  1. Tertiary
    1. Quaternary
      1. Quinary
        
        Senary
        
        Senary
      2. Quinary
  2. Tertiary
  3. Tertiary
4. Secondary
  1. Tertiary
  2. Tertiary
  3. Tertiary
    1. Quaternary
    2. Quaternary
  4. Tertiary
  5. Tertiary