如何让导航栏在页面HTML CSS的整个宽度上展开

Question

我正在尝试创建一个网站，而我却无法让菜单栏延伸到网页的宽度。有人可以帮忙吗？ 这是我的菜单栏的CSS / HTML：

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ul {
    list-style-type: none;
    margin: 0px;
    padding-left: 2px;
    position: fixed;
    top: 0px;
    word-spacing: 2px;
}
li { 
    float: left;
    display: inline;
    word-spacing: 2px;
    padding-left: 70px;
    background-color: #610000;
}
#menubar a{
    display: inline;
    text-align: center;
    text-decoration: none;
    font-size: 15px;
    font-family: PT sans, sans-serif;
    color: #FFDFC1;
    padding-left:0px;	
}


#menubar a:hover {
    color: #092601;
    background-color:#610000;
}
#menubar .active{
    color: #092601;
}

body{
    background-color: #ffffff;
    margin-left: 350px;  
}

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<div id="menubar">
    <ul>
        <li><a href="home.html">Home</a></li>
        <li><a href="about.html">About Us</a></li>
        <li><a href="menu.html">Menu</a></li>
        <li><a href="location.html">Location</a></li>
        <li><a href="gallery.html">Gallery</a></li>
        <li><a href="contact.html">Contact Us</a></li>
    </ul>
</div>

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Answer 1

li { 
    background-color: #610000;
}
#menubar a{
    text-decoration: none;
    font-size: 15px;
    font-family: PT sans, sans-serif;
    color: #FFDFC1;
}
#menubar a:hover {
    color: #092601;
    background-color:#610000;
}
#menubar .active{
    color: #092601;
}
ul{
    padding: 0;
    display: -webkit-box;
    display: -moz-box;
    display: box;
}
li{
    list-style: none;
    list-style:none;
    text-align: center;
    -webkit-box-flex: 1;
    -moz-box-flex: 1;
    box-flex: 1;
}
body {
  margin: 0px;
}

<div id="menubar">

    <ul>
                <li><a href="home.html">Home</a></li>
                <li><a href="about.html">About Us</a></li>
                <li><a href="menu.html">Menu</a></li>
                <li><a href="location.html">Location</a></li>
                <li><a href="gallery.html">Gallery</a></li>
                <li><a href="contact.html">Contact Us</a></li>
    </ul>
</div>

Answer 2

为什么你在css中为身体设置了左边距 - 删除

这对你也有帮助

https://stackoverflow.com/a/11520529/2430556

Answer 3

使其相对于您的屏幕尺寸。

使用vw单位。为了适应它，请在100vw上将其设为ul ..

然后在li中..删除padding-left那里......然后

将其宽度设置为父级ul的宽度除以子级数 ..

width: calc(100%/6);

注意：calc()功能仅适用于现代浏览器..您可以根据需要手动设置。

ul {
        list-style-type: none;
    	margin: 0px;
    	padding-left: 2px;
    	position: fixed;
    	top: 0px;
    	word-spacing: 2px;
        width: 100vw;
    }
    li { 
    	float: left;
        width: calc(100%/6);
    	display: inline;
    	word-spacing: 2px;
    	background-color: #610000;
    }
    #menubar {
      width: 100%;
    }
    #menubar a{
    	display: inline;
    	text-align: center;
        text-decoration: none;
    	font-size: 15px;
    	font-family: PT sans, sans-serif;
        color: #FFDFC1;
        padding-left:0px;
        
    	
    }
    
    
    #menubar a:hover {
        color: #092601;
    	background-color:#610000;
    }
    #menubar .active{
    	color: #092601;
    }
    
    body{
    	background-color: #ffffff;
    }

<div id="menubar">

    <ul>
    		<li><a href="home.html">Home</a></li>
    		<li><a href="about.html">About Us</a></li>
    		<li><a href="menu.html">Menu</a></li>
    		<li><a href="location.html">Location</a></li>
    		<li><a href="gallery.html">Gallery</a></li>
    		<li><a href="contact.html">Contact Us</a></li>
    </ul>
</div>

Answer 4

1）给出html和body width：100％

2）给出ul宽度：100％

3）去除身体边缘

4）给出ul背景色而不是li，你会发现差异

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html, body {
   width: 100%;
   margin: 0;
}

body {
   background-color: #ffffff;
}

ul {
   position: fixed;
   top: 0;
   left: 0;
   list-style: none;
   margin: 0px;
   padding-left: 2px;
   word-spacing: 2px;
   background-color: #610000;
}

li { 
    float: left;
    word-spacing: 2px;
    padding-left: 70px;

}

#menubar {
  display: inline-block;
  width: 100%;
}

#menubar a {
  text-align: center;
  text-decoration: none;
  font-size: 15px;
  font-family: PT sans, sans-serif;
  color: #FFDFC1;
  padding-left:0px;
}


#menubar a:hover {
  color: #092601;
  background-color: #610000;
}

#menubar .active{
  color: #092601;
}

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 <ul id="menubar">
    <li><a href="home.html">Home</a></li>
    <li><a href="about.html">About Us</a></li>
    <li><a href="menu.html">Menu</a></li>
    <li><a href="location.html">Location</a></li>
    <li><a href="gallery.html">Gallery</a></li>
    <li><a href="contact.html">Contact Us</a></li>
  </ul>

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https://jsfiddle.net/35c5b93q/