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<strong>注意：background属性中的背景图片和颜色混合，只能在一个background属性中。</strong> 属性值： background-blend-mode: normal; //正常 background-blend-mode: multiply; //正片叠底 background-blend-mode: screen; //滤色 background-blend-mode: overlay; //叠加 background-blend-mode: darken; //变暗 background-blend-mode: lighten; //变亮 background-blend-mode: color-dodge; //颜色减淡 background-blend-mode: color-burn; //颜色加深 background-blend-mode: hard-light; //强光 background-blend-mode: soft-light; //柔光 background-blend-mode: difference; //差值 background-blend-mode: exclusion; //排除 background-blend-mode: hue; //色相 background-blend-mode: saturation; //饱和度 background-blend-mode: color; //颜色 background-blend-mode: luminosity; //亮度 background-blend-mode: initial; //初始 background-blend-mode: inherit; //继承 background-blend-mode: unset; //复原 |
分类：HTML&CSS
代码实现导航栏分割线
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无需背景图片就可以实现导航栏分割线，颜色自定，线段虚实自定。 .nav1{ width:auto; height:50px; text-align:center; margin:13px auto 0; } .nav1 a{ display: inline-block; text-decoration:none; } .nav1 a:hover{ color:#09109e; border:6px none #fff; font-weight:bold; } .nav1 li{ position:relative; } /*制作导航分隔线效果*/ .nav1 li::before, .nav1 li::after{ content:""; position:absolute; top:-5px; height: 40px; width: 1px; } .nav1 li::after{ right: 0; background: -moz-linear-gradient(top, rgba(255,255,255,0), rgba(255,255,255,.2) 50%, rgba(255,255,255,0)); background: -webkit-linear-gradient(top, rgba(255,255,255,0), rgba(255,255,255,.2) 50%, rgba(255,255,255,0)); background: -o-linear-gradient(top, rgba(255,255,255,0), rgba(255,255,255,.2) 50%, rgba (255,255,255,0)); background: -ms-linear-gradient(top, rgba(255,255,255,0), rgba(255,255,255,.2) 50%, rgba (255,255,255,0)); background: linear-gradient(top, rgba(255,255,255,0), rgba(255,255,255,.2) 50%, rgba (255,255,255,0)); } .nav1 li::before{ left: 0; background: -moz-linear-gradient(top, #2580d9, #c4dff5, #2580d9, #c4dff5, #2580d9,#c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9); background: -webkit-linear-gradient(top, #2580d9, #c4dff5, #2580d9, #c4dff5, #2580d9,#c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9); background: -o-linear-gradient(top, #2580d9, #c4dff5, #2580d9, #c4dff5, #2580d9,#c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9); background: -ms-linear-gradient(top, #2580d9, #c4dff5, #2580d9, #c4dff5, #2580d9,#c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9); background: linear-gradient(top, #2580d9, #c4dff5, #2580d9, #c4dff5, #2580d9,#c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9, #c4dff5,#2580d9); } /*删除导航第一个和最后一个分隔线*/ .nav1 li:first-child::before{ display: none; } .nav1 li:last-child::after{ display: none; } |
bootstrap垂直下拉菜单默认展开
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HTML： <div class="col-md-3"> <nav class="navbar"> <div class="container-fluid"> <div class="navbar-header common-border-bottom common-border-right common-border-left"> <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false"> <span class="sr-only"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </button> </div> <div class="collapse navbar-collapse common-border-right common-border-bottom common-border-left" id="bs-example-navbar-collapse-1"> <ul class="nav nav-stacked navbar-nav"> <li class="dropdown open input-interval"> <a class="dropdown-toggle" data-toggle="dropdown">人生无常<b class="caret"></b></a> <ul class="dropdown-menu"> <li><a href="#">人性凉薄</a></li> <li><a href="#">看透了然</a></li> </ul> </li> </ul> </div> </div> </nav> </div> 由于加了open 所以默认是展开的，但是有个问题就是无论点击网页的任何地方都会折叠。以下的js解决了这个问题。 JS： <script> $(function () { var openddt = $(".open").children('.dropdown-toggle'); openddt.attr('data-toggle', ''); openddt.click(function () { $(this).siblings(".dropdown-menu").toggle(); }); }) </script> |