1.hover
移入其父元素.navI時(shí)，觸發(fā)鼠標(biāo)的hover態(tài)，給父元素添加樣式為position:relative;z-index:1;。從而提升了層級(jí)z-index。在其子元素導(dǎo)航內(nèi)容的層級(jí)比拼中，“子憑父貴”，父元素層級(jí)高的，其導(dǎo)航內(nèi)容在重疊狀態(tài)中顯示在最上面
<style>body,p{margin: 0;}h2{margin: 0;font-size:100%;}ul{margin: 0;padding: 0;list-style: none;} a{text-decoration: none;color:inherit;}.box{width: 572px;border: 1px solid #999;overflow: hidden;}.nav{margin-left: -1px;font: 14px "微軟雅黑";overflow: hidden;background-color: #f1f1f1;}.navI{float: left;width: 33.333%;box-sizing: border-box;}.navI-tit{line-height: 40px;text-align: center;cursor: pointer;border-left: 1px solid #cecece;border-bottom: 1px solid #cecece;}.navI-txt{width: 572px;height:200px;text-indent:2em;line-height: 2;background:#fff;}.ml1{margin-left: -100%;}.ml2{margin-left: -200%;}.navI_active{position:relative;z-index:1;}/*重點(diǎn)代碼*/.navI:hover{position:relative;z-index:1;}.navI:hover .navI-tit{background:#fff;border-bottom:none;}</style><div class="box"> <ul class="nav"> <li class="navI navI_active"> <h2 class="navI-tit">課程</h2> <p class="navI-txt">課程內(nèi)容</p> </li> <li class="navI"> <h2 class="navI-tit">學(xué)習(xí)計(jì)劃</h2> <p class="navI-txt ml1">學(xué)習(xí)計(jì)劃內(nèi)容</p> </li> <li class="navI"> <h2 class="navI-tit">技能圖譜</h2> <p class="navI-txt ml2">技能圖譜內(nèi)容</p> </li> </ul> </div>2.錨點(diǎn)
點(diǎn)擊導(dǎo)航標(biāo)題時(shí)，觸發(fā)target偽類，改變對(duì)應(yīng)的導(dǎo)航內(nèi)容的層級(jí)z-index，從而使當(dāng)前導(dǎo)航內(nèi)容在三個(gè)導(dǎo)航內(nèi)容中勝出，在最上層顯示；與此同時(shí)，改變當(dāng)前導(dǎo)航標(biāo)題的樣式
<style>body,p{margin: 0;}h2{margin: 0;font-size:100%;}ul{margin: 0;padding: 0;list-style: none;} a{text-decoration: none;color:inherit;}.box{width: 572px;border: 1px solid #999;overflow: hidden;}.nav{margin-left: -1px;font: 14px "微軟雅黑";overflow: hidden;background-color: #f1f1f1;}.navI{float: left;width: 33.333%;box-sizing: border-box;position:relative;}.navI-tit{position:absolute;top:0;left:0;right:0;box-sizing: border-box;line-height: 40px;height: 40px;text-align: center;cursor: pointer;border-left: 1px solid #cecece;border-bottom: 1px solid #cecece;}.navI-txt{width: 572px;height:200px;margin-top: 40px;text-indent:2em;line-height: 2;background:#fff;}.ml1{margin-left: -100%;}.ml2{margin-left: -200%;}.navI_active{z-index:1;}/*重點(diǎn)代碼*/.navI-txt:target{position:relative;z-index:1;}.navI-txt:target ~ .navI-tit{background:#fff;border-bottom:none;}</style><div class="box"> <ul class="nav"> <li class="navI navI_active"> <p class="navI-txt" id="kc">課程內(nèi)容</p> <a class="navI-tit" href="#kc">課程</a> </li> <li class="navI"> <p class="navI-txt ml1" id="xx">學(xué)習(xí)計(jì)劃內(nèi)容</p> <a class="navI-tit" href="#xx">學(xué)習(xí)計(jì)劃</a> </li> <li class="navI"> <p class="navI-txt ml2" id="jn">技能圖譜內(nèi)容</p> <a class="navI-tit" href="#jn">技能圖譜</a> </li> </ul> </div>3.radio
點(diǎn)擊導(dǎo)航標(biāo)題時(shí)，觸發(fā)checked偽類，改變對(duì)應(yīng)的導(dǎo)航內(nèi)容的層級(jí)z-index，從而使當(dāng)前導(dǎo)航內(nèi)容在三個(gè)導(dǎo)航內(nèi)容中勝出，在最上層顯示；與此同時(shí)，改變當(dāng)前導(dǎo)航標(biāo)題的樣式
<style>body,p{margin: 0;}ul{margin: 0;padding: 0;list-style: none;}a{text-decoration: none;color: inherit;}input{margin: 0;padding: 0;border:none;}.box{width:572px;border:1px solid #999;font:14px "微軟雅黑";overflow:hidden;}.nav-tit{margin-left: -1px;height: 40px;line-height: 40px;text-align: center;background-color: #f1f1f1;overflow: hidden;}.nav-titI{box-sizing: border-box;float: left;width: 33.333%;border-left: 1px solid #cecece;border-bottom: 1px solid #cecece;cursor: pointer;}.nav-txt{height: 200px;}.nav-txtI{height: 200px;display:block;width: 100%;text-indent: 2em; line-height: 2;}/*重點(diǎn)內(nèi)容*/.nav-txt{overflow: hidden;}.nav-titI:hover{background-color: #fff;border-bottom:none;}</style><div class="box"> <nav class="nav-tit"> <label class="nav-titI" for="kc">課程</label> <label class="nav-titI" for="xx">學(xué)習(xí)計(jì)劃</label> <label class="nav-titI" for="jn">技能圖譜</label> </nav> <nav class="nav-txt"> <input class="nav-txtI nav-txtI_active" id="kc" value="課程內(nèi)容" readonly> <input class="nav-txtI" id="xx" value="學(xué)習(xí)計(jì)劃內(nèi)容" readonly> <input class="nav-txtI" id="jn" value="技能圖譜內(nèi)容" readonly> </nav></div>總結(jié)
以上所述是小編給大家介紹的CSS實(shí)現(xiàn)Tab頁(yè)切換實(shí)例代碼，希望對(duì)大家有所幫助，如果大家有任何疑問請(qǐng)給我留言，小編會(huì)及時(shí)回復(fù)大家的。在此也非常感謝大家對(duì)VeVb武林網(wǎng)網(wǎng)站的支持！
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