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Cascaded style sheets

Cascaded style sheets. CSS. Placement des styles ( 3 possibilités ). < head > < link rel = 'stylesheet' type = 'text/css' href = 'mon_style.css'/> < style type = 'text/css'> p { font-weight:bold; color:gray; } </ style > </ head > < body >

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Cascaded style sheets

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  1. Cascaded style sheets CSS

  2. Placement des styles(3 possibilités) <head> <linkrel='stylesheet'type='text/css'href='mon_style.css'/> <styletype='text/css'> p { font-weight:bold; color:gray; } </style> </head> <body> <imgsrc="image.gif"style="position:absolute"/> </body> 1 2 3

  3. Styles ul { font-size: 120% } ul.commerce { font-weight: bold; } ul#pub { color: red; } .commerce { border-color: blue; } #pub { text-align: center; } ul span { visibility: hidden; } <ul> <li> </li> </ul> <ul class="commerce"> . . . <ul id="pub"> . . . <ul> <li> <span> </span> </li> <ul> http://www.w3schools.com/css/css_reference.asp

  4. Types d’éléments Block elements <address> <blockquote> <div> <fieldset> <h1> — <h6> <hr> <legend> <p> <pre> <ul>, <ol>, <li>, <dl> and <dd> Inline elements <a> <span> <i> <b> . . . Tables Un élément inline ne peut pas contenir un élément block <span style="display:block">aa</a> // devient block <li style="display:inline">bb</li> // devient inline

  5. Blocs flottants <style>        .dropcap{            float: left;            width: .7em;            font-size: 5em;            margin-top:3px;            line-height:70%;        }</style> <p><imgsrc="parcel.GIF"style="float:left"><spanclass="dropcap">C</span>et         exemple montre comment commencer un         paragraphe par une grande lettre, ce qui fait         de jolis textes. </p>

  6. Positions static normale relative absolute fixed p.r. fenêtre <div>-- (positionné par les éléments précédents)<imgsrc="http://lti.epfl.ch/LemanOS/Images/titre.png" style="position:relative;top:20px;left:20px;"/><imgsrc="parcel.gif" style="position:absolute;top:20px;left:20px;/></div>

  7. Positions static normale relative absolute fixed p.r. fenêtre (positionné par style) <divstyle="position:absolute;top:100px;left:100px;border: solid 1px">aa<imgstyle="position:absolute;top:10px;left:10px;"src="http://lti.epfl.ch/LemanOS/Images/titre.png"/></div>

  8. Positionnements dans un élément absolute p.r. au div absolute p.r. à la page

  9. CSS Pseudo-classes div:hover { background-color:#ffeeee } div:hover span { font-size: 120% } div.commerce:hover p { font-weight: bold; } ♪ <divclass="commerce"><span>AAAA</span><br><p>mmmmm</p></div> ♪ un p dans un div de classe commerce sur lequel la souris passe est mis en bold

  10. Apparition d’un élément ul ul {  background: #fed;  position: absolute;left: -3000px;}   ul li:hover ul {  left: 7em;top: 4px;} hover ul ul position:relative ul position:relative ul 4px ul ul 7em -3000px

  11. Tutorials CSS Tooltip series http://www.communitymx.com/content/article.cfm?cid=4E2C0 CSS Flyouts (menus) http://www.communitymx.com/content/article.cfm?cid=55A69 Tool tip

  12. Exercice • Créer une page contenant un menu dont chaque élément appelle une autre page • Les autres pages ont un lien qui revient sur la page ci-dessus

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