{"id":21857,"date":"2023-07-13T09:30:00","date_gmt":"2023-07-13T07:30:00","guid":{"rendered":"https:\/\/www.codemotion.com\/magazine\/?p=21857"},"modified":"2023-07-13T11:38:05","modified_gmt":"2023-07-13T09:38:05","slug":"il-creatore-di-css-hakon-wium-lie-a-codemotion-milano","status":"publish","type":"post","link":"https:\/\/www.codemotion.com\/magazine\/it\/dev-life-it\/il-creatore-di-css-hakon-wium-lie-a-codemotion-milano\/","title":{"rendered":"Il creatore di CSS H\u00e5kon Wium Lie a Codemotion Milano!"},"content":{"rendered":"\n<h2 class=\"gb-headline gb-headline-3a3a75f0 gb-headline-text\">Chi \u00e8 H\u00e5kon Wium Lie <\/h2>\n\n\n\n<p>H\u00e5kon Wium Lie, nato il 26 luglio 1965 a Halden, in Norvegia, <strong>\u00e8 ampiamente riconosciuto come un pioniere del web e attivista degli standard. <\/strong>\u00c8 meglio conosciuto per il suo significativo <strong>contributo allo sviluppo dei Cascading Style Sheets (CSS)<\/strong>, una tecnologia fondamentale che ha trasformato la presentazione visiva del World Wide Web.<\/p>\n\n\n\n<p>La formazione formale di Lie \u00e8 iniziata alla Christian August high school dal 1981 al 1983, seguita dagli studi al \u00d8stfold College dal 1984 al 1986. Il suo interesse per la tecnologia e internet lo ha portato a lavorare al <strong>CERN<\/strong>,<strong> l&#8217;Organizzazione Europea per la Ricerca Nucleare, <\/strong>dove ha lavorato a fianco di Tim Berners-Lee, l&#8217;inventore del<strong> World Wide Web.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/extra.codemotion.com\/conference-milan-2023\/?utm_source=google_ads&amp;utm_medium=paid_search&amp;utm_campaign=CONFC_ITA_CODEMOTION_2023_MILAN&amp;source=adv_google_search&amp;utm_content=search&amp;gclid=CjwKCAjw-7OlBhB8EiwAnoOEk7qWf2GxzO7U-EZ2Q3g2D90_mXTQYlyiyUMsC8py0AlK1vD_lWv5YhoC8_8QAvD_BwE\" target=\"_blank\" rel=\"noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"365\" src=\"https:\/\/www.codemotion.com\/magazine\/wp-content\/uploads\/2023\/07\/4.-DEM_MICE23_BASIC--1024x365.png\" alt=\"H\u00e5kon Wium Lie\" class=\"wp-image-21824\" srcset=\"https:\/\/www.codemotion.com\/magazine\/wp-content\/uploads\/2023\/07\/4.-DEM_MICE23_BASIC--1024x365.png 1024w, https:\/\/www.codemotion.com\/magazine\/wp-content\/uploads\/2023\/07\/4.-DEM_MICE23_BASIC--300x107.png 300w, https:\/\/www.codemotion.com\/magazine\/wp-content\/uploads\/2023\/07\/4.-DEM_MICE23_BASIC--768x274.png 768w, https:\/\/www.codemotion.com\/magazine\/wp-content\/uploads\/2023\/07\/4.-DEM_MICE23_BASIC-.png 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p>Nel 1994, ancora al <strong>CERN<\/strong>, Lie propose l&#8217;idea dei <strong>CSS<\/strong>. Questo era un concetto innovativo volto a migliorare l&#8217;estetica del web e le interfacce utente. <strong>Ha permesso agli sviluppatori di separare lo stile di presentazione dei documenti dal loro contenuto<\/strong>, semplificando notevolmente lo sviluppo e la manutenzione del web. La prima versione dei CSS \u00e8 stata rilasciata nel <strong>1996<\/strong>, e due anni dopo, nel 1998, \u00e8 stato rilasciato CSS 2 e ha iniziato il lavoro su CSS 3.<\/p>\n\n\n\n<p>Oltre al suo lavoro sui CSS, <strong>Lie ha ricoperto il ruolo di Chief Technology Officer di Opera Software dal 1998 fino alla sua partenza<\/strong>. Durante il suo mandato, Opera \u00e8 diventato noto per il suo impegno nei confronti degli standard web e dell&#8217;accessibilit\u00e0, in gran parte grazie all&#8217;influenza e alla direzione di Lie.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><em><strong>Guarda lo speech completo di H\u00e5kon Wium Lie&#8217;s al Codemotion Madrid nel video qui sotto!<\/strong><\/em><\/p>\n\n\n\n<p>[jwp-video n=&#8221;1&#8243;]<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>Nel corso della sua carriera, <strong>Lie \u00e8 stato un forte sostenitore degli standard web aperti. <\/strong>I suoi contributi hanno modellato il web come lo conosciamo oggi, rendendolo pi\u00f9 <strong>accessibile<\/strong>, <strong>funzionale e visivamente accattivante.<\/strong> Fino alla data odierna, 11 luglio 2023,<strong> Lie continua ad essere una figura di spicco nel settore del web, influenzando e modellando il suo futuro.<\/strong><\/p>\n\n\n\n<h2 class=\"gb-headline gb-headline-1e4da6fc gb-headline-text\">H\u00e5kon Wium Lie interviene alla conferenza Codemotion!<\/h2>\n\n\n\n<p>H\u00e5kon Wium Lie <strong>\u00e8 stato uno dei relatori principali alla conferenza Codemotion Madrid nel 2023. <\/strong>La comunit\u00e0 di sviluppatori spagnola ha avuto l&#8217;opportunit\u00e0 di incontrarlo e ascoltare le sue preziose intuizioni ed esperienze.<\/p>\n\n\n\n<script src=\"https:\/\/codemotion.activehosted.com\/f\/embed.php?id=12\" type=\"text\/javascript\" charset=\"utf-8\"><\/script>\n\n\n\n<p><strong><em>Ora, vogliamo informarti che sar\u00e0 anche un relatore principale a Codemotion Milano, il 24-25 ottobre!<\/em><\/strong><\/p>\n\n\n\n<p>Lie non si \u00e8 fermato alla proposta dell&#8217;idea dei CSS. <strong>Ha giocato un ruolo chiave nello sviluppo dei CSS in una Raccomandazione del World Wide Web Consortium (W3C)<\/strong>, standardizzandola per l&#8217;uso su tutto il web. Ha inoltre proposto <strong>il test Acid2, una pagina di test per i browser web pubblicata dal Web Standards Project nel 2005.<\/strong> Questo test ha contribuito a garantire la conformit\u00e0 agli standard web e la corretta implementazione dei CSS da parte dei produttori di browser.<\/p>\n\n\n\n<p>Non perdere <strong>l&#8217;opportunit\u00e0 di incontrare e ascoltare uno dei pi\u00f9 grandi nomi nella storia dello sviluppo web! <\/strong>Dopo il suo intervento a Codemotion Madrid, abbiamo avuto anche il piacere di fare un paio di domande a Hakon sulle ultime tendenze e il futuro dello sviluppo software. <strong>Guarda il video qui sotto!<\/strong><\/p>\n\n\n\n<div style=\"position:relative;overflow:hidden;padding-bottom:56.25%\"><iframe loading=\"lazy\" src=\"https:\/\/cdn.jwplayer.com\/players\/WFOO7BEB-nfEWMeHm.html\" width=\"100%\" height=\"100%\" frameborder=\"0\" scrolling=\"auto\" title=\"H\u00e5kon Wium Lie - Codemotion Conference\" style=\"position:absolute;\" allowfullscreen><\/iframe><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Articolo consigliato: <em><a href=\"https:\/\/www.codemotion.com\/magazine\/it\/frontend-it\/trucchi-avanzati-per-css-che-devi-conoscere\/\" class=\"ek-link\">Trucchi avanzati per CSS che devi conoscere<\/a><\/em><\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"gb-headline gb-headline-3d4decd8 gb-headline-text\">CSS: La pietra angolare del Web<\/h2>\n\n\n\n<p>I Cascading Style Sheets, comunemente noti come <strong>CSS<\/strong>, sono un <strong>linguaggio di fogli di stile utilizzato nello sviluppo web per migliorare l&#8217;aspetto delle pagine web<\/strong>. Permette agli sviluppatori di controllare il layout, i colori, i font e vari altri aspetti visivi di un sito web.<\/p>\n\n\n\n<p>La funzione principale dei CSS<strong> \u00e8 separare il contenuto di una pagina web<\/strong> (scritto in HTML o in un linguaggio di markup simile) <strong>dalla sua presentazione<\/strong>. Questa separazione offre numerosi vantaggi come una migliore accessibilit\u00e0 dei contenuti, maggiore flessibilit\u00e0 e controllo nella specifica delle caratteristiche di presentazione, e riduzione della complessit\u00e0 e della ripetizione nel contenuto strutturale.<\/p>\n\n\n\n<p>In termini pratici, <strong>i CSS funzionano associando regole con elementi HTML.<\/strong> Queste regole definiscono come deve essere visualizzato il contenuto degli elementi specificati. Una regola in CSS consiste in un selettore e un blocco di dichiarazione. Il selettore punta all&#8217;elemento HTML che si vuole stilizzare, e il blocco di dichiarazione contiene una o pi\u00f9 dichiarazioni separate da punti e virgola.<strong> Ogni dichiarazione include un nome di propriet\u00e0 CSS e un valore, separati da due punti.<\/strong><\/p>\n\n\n\n<p>Nel complesso,<strong> i CSS svolgono un ruolo indispensabile nello sviluppo web moderno<\/strong>, permettendo agli sviluppatori di creare siti web attraenti, reattivi e user-friendly.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chi \u00e8 H\u00e5kon Wium Lie H\u00e5kon Wium Lie, nato il 26 luglio 1965 a Halden, in Norvegia, \u00e8 ampiamente riconosciuto come un pioniere del web e attivista degli standard. \u00c8 meglio conosciuto per il suo significativo contributo allo sviluppo dei Cascading Style Sheets (CSS), una tecnologia fondamentale che ha trasformato la presentazione visiva del World&#8230; <a class=\"more-link\" href=\"https:\/\/www.codemotion.com\/magazine\/it\/dev-life-it\/il-creatore-di-css-hakon-wium-lie-a-codemotion-milano\/\">Read more<\/a><\/p>\n","protected":false},"author":165,"featured_media":21852,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_editorskit_title_hidden":false,"_editorskit_reading_time":0,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","_uag_custom_page_level_css":"","_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[10283,10293],"tags":[10576,10565],"collections":[],"class_list":{"0":"post-21857","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-dev-life-it","8":"category-eventi","9":"tag-codemotion-milano","10":"tag-hakon-wium-lie","11":"entry"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.9 (Yoast SEO v26.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>H\u00e5kon Wium Lie, il creatore di CSS, sar\u00e0 a Codemotion Milano<\/title>\n<meta name=\"description\" content=\"H\u00e5kon Wium Lie, il creatore di CSS, sar\u00e0 uno degli speaker chiave della conferenza Codemotion Milano 2023. 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