User:小躍/common.css

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    ul.drop-down-menu {
        border: #ccc 1px solid;
        display: inline-block;
        font-family: 'Open Sans', Arial, sans-serif;
        font-size: 13px;
        margin: 0;
        padding: 0;
        list-style: none;
    }

    ul.drop-down-menu li {
        position: relative;
        white-space: nowrap;
        border-right: #ccc 1px solid;
    }

    ul.drop-down-menu > li:last-child {
        border-right: none;
    }

    ul.drop-down-menu > li {
        float: left; /* 只有第一層是靠左對齊*/
    }

     ul.drop-down-menu a {
        background-color: #fff;
        color: #333;
        display: block;
        padding: 0 30px;
        text-decoration: none;
        line-height: 40px;

    }
    ul.drop-down-menu a:hover { /* 滑鼠滑入按鈕變色*/
        background-color: #00f;
        color: #fff;
    }
    ul.drop-down-menu li:hover > a { /* 滑鼠移入次選單上層按鈕保持變色*/
        background-color: #00f;
        color: #fff;
    }
     ul.drop-down-menu ul {
        border: #ccc 1px solid;
        position: absolute;
        z-index: 99;
        left: -1px;
        top: 90%;
       min-width: 180px;
    }

    ul.drop-down-menu ul li {
        border-bottom: #ccc 1px solid;
    }

    ul.drop-down-menu ul li:last-child {
        border-bottom: none;
    }

    ul.drop-down-menu ul ul { /*第三層以後的選單出現位置與第二層不同*/
        z-index: 999;
        top: 10px;
        left: 80%;
    }
  ul.drop-down-menu ul { /*隱藏次選單*/
        display: none;
    }
 
    ul.drop-down-menu li:hover > ul { /* 滑鼠滑入展開次選單*/
        display: block;
    }
    
    .citation-comment {display: inline !important;} /* show all Citation Style 1 error messages */