{"id":2590,"date":"2016-06-15T10:50:07","date_gmt":"2016-06-15T13:50:07","guid":{"rendered":"https:\/\/moriahsoftware.com.br\/site\/?p=2590"},"modified":"2019-08-07T11:27:57","modified_gmt":"2019-08-07T14:27:57","slug":"dicas-css-seletores-css","status":"publish","type":"post","link":"https:\/\/moriahsoftware.com.br\/site\/dicas-css-seletores-css\/","title":{"rendered":"Dicas CSS: Seletores CSS"},"content":{"rendered":"

Todos desenvolvedores Web\u00a0conhecem o CSS, ele \u00e9 quem dita como ser\u00e3o exibidos os elementos do c\u00f3digo html na p\u00e1gina Web. E para escrever um c\u00f3digo complexo de CSS de forma que o script fique bem identado e de f\u00e1cil localiza\u00e7\u00e3o de elementos usamos algumas regras b\u00e1sicas como deixar cada comando em uma linha:<\/p>\n


\n#ConteudoBlog{
\nWidth:100px;
\nHeight: 150px;
\nborder: 1px solid #f45;
\nColor: #C3C3C3;
\n}
\n<\/code><\/p>\n

E quando precisamos selecionar determinado elemento do c\u00f3digo html?\u00a0Existem seletores no CSS que ajudam a especificar melhor o elemento que deve ser afetado.<\/p>\n

Vejamos alguns seletores:<\/p>\n

Elemento Filho (A>B)<\/strong><\/p>\n

Selecionar um elemento (B) que tenha um elemento pai espec\u00edfico (A), deve-se utilizar o sinal de maior (>)<\/p>\n

Exemplo:
\n
\nnav.menu-site > li {
\npadding:0;
\nbackground-color:#f1f1f1;
\n}
\n<\/code><\/p>\n

No caso acima, somente a linha (li) que tiver como pai um elemento nav com classe “menu-site”, receber\u00e1 as modifica\u00e7\u00f5es.<\/em><\/p>\n

Elemento Irm\u00e3o (A+B)<\/strong><\/p>\n

Quando um elemento (B) est\u00e1 ao lado de outro espec\u00edfico (A)<\/p>\n

Exemplo:
\n
\nlabel + input {
\nBorder: 2px solid #1681C6;
\n}
\n<\/code><\/p>\n

Neste caso, todos os inputs que estiverem ao lado de um label receber\u00e3o uma borda azul.<\/em><\/p>\n

Este elemento n\u00e3o (A:not(b))<\/strong><\/p>\n

Exclui um elemento determinado (A) de acordo com uma especifica\u00e7\u00e3o (b)<\/p>\n

Exemplo:
\n
\ndiv:not(.conteudo) {
\nborder: 2px solid #1681C6;
\n}
\n<\/code>
\nNeste caso, todas as divs que n\u00e3o tenham a classe “conteudo” receber\u00e3o a modifica\u00e7\u00e3o.<\/em><\/p>\n

Primeiro Filho (A:first-child)<\/strong><\/p>\n

Seleciona o primeiro elemento derivado do elemento definido (A)<\/p>\n

Exemplo:
\n
\nli:first-child{
\nbackground-color:#1681c6;
\n}
\n<\/code>
\nNeste caso, a primeira linha (li) ter\u00e1 o fundo azul.<\/em><\/p>\n

Posicionamento definido (A:nth-child(b))<\/strong><\/p>\n

Seleciona o elemento definido (A) de acordo com a posi\u00e7\u00e3o indicada (b)<\/p>\n

Exemplo:
\n
\nli:nth-child(5){
\nbackground-color:#1681c6;
\n}
\n<\/code>
\nNeste caso, a quinta linha ter\u00e1 o fundo azul.<\/p>\n

 <\/p>\n

 <\/p>\n

Para mais dicas como essa, fiquem ligados no nosso blog ou na nossa p\u00e1gina no Facebook<\/a><\/p>\n

 <\/p>\n

\u00a0<\/p>\n

Volte para o blog<\/span><\/div>\n

<\/a>
\n <\/p>\n

\n\t\t\t

\n\n\t\t\t \n\t\t\n\t\t\t
\n\t\t\t\t\n\t\t\t\t \n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t\n\t\t\t\t <\/span>\n\t\t\t\t<\/a>\n\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\n\t\t\t
\n\t\t\t\t\n\t\t\t\t \n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t\n\t\t\t\t <\/span>\n\t\t\t\t<\/a>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\n\t\t\t
\n\t\t\t\t\n\t\t\t\t \n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t\n\t\t\t\t <\/span>\n\t\t\t\t<\/a>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\n\t\t\t
\n\t\t\t\t\n\t\t\t\t \n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t\n\t\t\t\t <\/span>\n\t\t\t\t<\/a>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t<\/div><\/p>\n","protected":false},"excerpt":{"rendered":"

Todos desenvolvedores Web conhece o CSS, ele \u00e9 quem dita como ser\u00e3o exibidos os elementos do c\u00f3digo html na p\u00e1gina Web. E para escrever um c\u00f3digo complexo de CSS de forma que o script fique bem identado e de f\u00e1cil localiza\u00e7\u00e3o de elementos usamos algumas regras b\u00e1sicas como deixar cada comando em uma linha: <\/p>\n","protected":false},"author":3,"featured_media":2609,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[23],"tags":[],"class_list":["post-2590","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dicas"],"yoast_head":"\nDicas CSS: Seletores CSS - Moriah Software<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/moriahsoftware.com.br\/site\/dicas-css-seletores-css\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dicas CSS: Seletores CSS - Moriah Software\" \/>\n<meta property=\"og:description\" content=\"Todos desenvolvedores Web conhece o CSS, ele \u00e9 quem dita como ser\u00e3o exibidos os elementos do c\u00f3digo html na p\u00e1gina Web. E para escrever um c\u00f3digo complexo de CSS de forma que o script fique bem identado e de f\u00e1cil localiza\u00e7\u00e3o de elementos usamos algumas regras b\u00e1sicas como deixar cada comando em uma linha:\" \/>\n<meta property=\"og:url\" content=\"https:\/\/moriahsoftware.com.br\/site\/dicas-css-seletores-css\/\" \/>\n<meta property=\"og:site_name\" content=\"Moriah Software\" \/>\n<meta property=\"article:published_time\" content=\"2016-06-15T13:50:07+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-08-07T14:27:57+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/moriahsoftware.com.br\/site\/wp-content\/uploads\/2016\/06\/Seletores-css-blog.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"3517\" \/>\n\t<meta property=\"og:image:height\" content=\"1683\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Marco Costola\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Marco Costola\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/moriahsoftware.com.br\/site\/dicas-css-seletores-css\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/moriahsoftware.com.br\/site\/dicas-css-seletores-css\/\"},\"author\":{\"name\":\"Marco Costola\",\"@id\":\"https:\/\/moriahsoftware.com.br\/site\/#\/schema\/person\/280eb010cf8d3285849916c7e8446319\"},\"headline\":\"Dicas CSS: Seletores CSS\",\"datePublished\":\"2016-06-15T13:50:07+00:00\",\"dateModified\":\"2019-08-07T14:27:57+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/moriahsoftware.com.br\/site\/dicas-css-seletores-css\/\"},\"wordCount\":288,\"publisher\":{\"@id\":\"https:\/\/moriahsoftware.com.br\/site\/#organization\"},\"image\":{\"@id\":\"https:\/\/moriahsoftware.com.br\/site\/dicas-css-seletores-css\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/moriahsoftware.com.br\/site\/wp-content\/uploads\/2016\/06\/Seletores-css-blog.jpg\",\"articleSection\":[\"Dicas\"],\"inLanguage\":\"pt-BR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/moriahsoftware.com.br\/site\/dicas-css-seletores-css\/\",\"url\":\"https:\/\/moriahsoftware.com.br\/site\/dicas-css-seletores-css\/\",\"name\":\"Dicas CSS: Seletores CSS - 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