小编use*_*208的帖子

如何设置没有背景颜色的导航栏？

在div之后向下滚动时,导航栏会获得一个新的背景颜色(导航栏应该固定在顶部,我navbar-fixed-top在Bootstrap中使用)

我尝试了一些教程,但没有成功.

这是网站:http://attafothman.olympe.in/
我在谈论顶部的黑色导航栏.

我对PHP编码知之甚少.我有这个联系表格:

http://jsfiddle.net/HtU4D/

<div id="content">
   <h1> Contact me </h1>

    <form action=" " method="post"  autocomplete="on">
        <p> <label for="username" class="iconic user" > Name <span class="required">*</span></label> <input type="text" name="username" id="username"  required="required" placeholder="Hi friend, how may I call you ?"  /> </p>

        <p> <label for="usermail" class="iconic mail-alt"> E-mail address <span class="required">*</span></label> <input type="email" name="usermail" id="usermail" placeholder="I promise I hate spam as much as you do" required="required"  /> </p>

        <p> <label for="usersite" class="iconic link"> Website </label> <input type="url" name="usersite" id="usersite"  placeholder="eg: http://www.miste.com" /> </p>

        <p> <label …