- https://www.devmedia.com.br/html-semantico-conheca-os-elementos-semanticos-da-html5/38065-
- https://medium.com/collabcode/meu-html-%C3%A9-sem%C3%A2ntico-e-o-seu-4e97c81c0c49
- http://www.w3c.br/pub/Agenda/PalestraAcessibilidadeEHtml5/FrontInBH-ago2011.pdf
- https://developer.mozilla.org/pt-BR/docs/Learn/Accessibility/HTML
- https://tableless.com.br/documentos-acessiveis-com-aria-em-html5/
- https://resultadosdigitais.com.br/especiais/o-que-e-seo/
- https://www.conversion.com.br/blog/seo-e-seus-elementos-html-mais-importantes/#gs.7elije
- https://medium.com/academymeteor/boas-pr%C3%A1ticas-para-programa%C3%A7%C3%A3o-web-html-e-css-c2a62f1b9560
- https://andrecomws.com/lab/code-standards
- https://www.w3schools.com/cssref/pr_font_font.asp
- https://www.w3schools.com/cssref/pr_font_font-family.asp
- https://www.w3schools.com/cssref/pr_font_font-size.asp
- https://www.w3schools.com/cssref/pr_dim_line-height.asp
- https://www.w3schools.com/cssref/pr_font_weight.asp
- https://www.w3schools.com/cssref/pr_font_font-variant.asp
- https://www.w3schools.com/css/css_background.asp
- https://www.w3schools.com/cssref/css3_pr_background.asp
- https://pt-br.learnlayout.com/float.html
- https://www.w3schools.com/css/css_float.asp
- https://medium.com/collabcode/pare-de-chutar-e-aprenda-como-funciona-o-float-left-e-float-right-e-sua-trupe-a4f4161114c7
- https://www.devmedia.com.br/como-usar-a-propriedade-position-css/24451
- https://medium.com/collabcode/pare-de-chutar-e-aprenda-como-funciona-a-position-static-e-position-relative-5df0a6160543
- https://pt-br.learnlayout.com/position-example.html