CSS浮动：对

Question

我有这部分HTML代码：     

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 function mostralogin() {
      $("#div-login").fadeToggle("fast");
    }

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    header {
      height: 50px;
      background-color: #ececec;
      position: fixed;
      right: 0px;
      left: 0px;
      box-shadow: 0px 5px 5px #b2b2b2;
      -moz-box-shadow: 0px 5px 5px #b2b2b2;
      -webkit-box-shadow: 0px 5px 5px #b2b2b2;
      display: block;
    }
    #div-login {
      width: 200px;
      height: 180px;
      background-color: rgba(0, 0, 0, 0.5);
      border-radius: 8px;
      border: 3px solid #4F9D97;
      margin-left: 84%;
      margin-top: 48px;
      position: absolute;
      display: none;
      color: white;
      text-align: center;
      font-weight: bold;
    }
    #logintext {
      color: #4F9D97;
      font-size: 20px;
      float: right;
      margin-top: 10px;
      margin-right: 10px;
    }
    #logintext:hover,
    #logintext:active {
      border-bottom: 1px solid #4F9D97;
    }
    #regtext {
      color: #4F9D97;
      font-size: 20px;
      float: right;
      margin-top: 10px;
      margin-right: 5px;
    }
    #regtext:hover,
    #regtext:active {
      border-bottom: 1px solid #4F9D97;
    }

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    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
    <header>
      <a id="regtext"> REGISTRAZIONE </a>
      <a id="logintext" onclick="mostralogin()"> LOGIN </a>
      <form name="login" id="div-login" action="../PHP/login.php" method="post">
        ... (form stuffs) ...
      </form>
    </header>

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当我点击“登录”这个词时，它应显示为隐藏的表单，一切正常，直到我在float: right标签的css文件上应用<a>。到目前为止，mostralogin() JQuery函数以及:hover和:active内容已不再适用。为什么会这样？

Answer 1

这是最终的解决方案！ HTML部分：

<header>
    <div id="textcont">
    <a id="logintext" onclick="mostralogin()"/>LOGIN</a>
    <a id="regtext" onclick="mostralogin()" />REGISTRAZIONE</a>
    </div>
    <form name="login" id="div-login" action="../PHP/login.php" method="post">
 ... (form stuffs) ...
    </form>
</header>

CSS部分：

header {
    height: 50px;
    background-color: #ececec;
    position: fixed;
    right:0px;
    left:0px;
    box-shadow: 0px 5px 5px #b2b2b2;
    -moz-box-shadow: 0px 5px 5px #b2b2b2;
    -webkit-box-shadow: 0px 5px 5px #b2b2b2;
    display: block;
    text-align:right;
}

#logintext {
    color:#4F9D97;
    font-size:20px;
    margin-right: 20px;
}

#logintext:hover, #logintext:active {
    border-bottom: 1px solid #4F9D97;
}

#regtext {
    color:#4F9D97;
    font-size:20px;
    margin-right: 20px;

}

#regtext:hover, #regtext:active {
    border-bottom: 1px solid #4F9D97;
}

#textcont {
margin-top: 10px;

}