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html - 响应式导航栏问题

转载 作者：行者123 更新时间：2023-11-28 02:59:35 25 4
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我最近想在我的网站上添加一些媒体查询行，一切都很完美，直到我添加了移动导航(下拉菜单)。在那之后，我的选框以某种方式落后于标题(导航)，在那之后，我无法弄清楚出了什么问题。

我不想通过填充将其向下移动，而是弄清楚这是为什么，因为在我添加移动导航之前，所有内容都有其特定的位置，而不是一个东西与另一个东西重叠。

http://i.imgur.com/ciqMkpB.png

这是我的 html:

   <body> 
    <div id="container">
        <header>
        <div id="nav">
            <nav class="nav-collapse">
            <ul>
                <li><img alt="icon" src="res/img/logo2.png"></li>
                <li><a rel="alternate" href="#" class="current" class="nav-collapse">Home</a></li>
                <li><a href="sub/menu1.html">Members</a></li>
                <li><a href="sub/menu2.html">Exams</a></li>
                <li><a href="sub/menu3.html">Timetable</a> </li>
                <li><a href="sub/menu4.html">About</a></li>
                <li><a class="fck" href="password.html">Private Site</a</li>
                <li id="title">Class Site</li>
            </ul>
            </nav>
        </div>
        </header>

        <div id="content">
            <div id="title">
                <div class="marquee">
                     <h3>Welcoke...</h3>
                </div>
            </div>
            <div id="article" text-align="center">Website was made by ŽP, JM and TM!
            </div>
        </div>

这是我的主要 CSS 代码:

body {
    margin:0px !important;
    padding:0px;
    bottom:0px;
    background:#3EA6FA url('../img/11.png') no-repeat center center fixed;
}
@media screen and (max-width: 480px) {
    body {
        background-size: 100%;
        background-position:0% 58%;
    }
}

@media screen and (max-width: 900px) {
    body {
        background-size: 100%;
    }
}
body:after {
    opacity:4;
}
hr {
    border:2px solid #DED5CA;
}
a {
    color:white;
    cursor:pointer;
    text-decoration:none;
}

#bg {
    display:block;
    position:relative;
}
#bg:before {
    content:"";
    position:absolute;
    z-index:-1;
    opacity:0.5;
    top:0;
    left:0;
    bottom:0;
    right:0;
}
#nav {
    font-family:"Lobster";
    font-size:22px;
}
#nav #title {
    color:white;
    font-weight:bold;
    margin-top:15px ;
    margin-right:20px;
    float:right;
    font-size:26px;
}
#nav a {
    float:left;
}
#nav img {
    float:left;
    height:48px;
    margin-top:5px;
    margin-left:10px;
    margin-right:10px;
}
#nav ul {
    list-style-type:none;
    margin:0;
    padding:0;
    overflow:hidden;
    background-color:#454443;
    border-bottom:3px solid #757575;
}
#nav li a {
    display:block;
    color:white;
    text-align:center;
    padding:14px 16px;
    text-decoration:none;
    border-bottom:3px solid #454443;
}
#nav li a:hover {
    animation-name:navlink;
    animation-duration:0.35s;
    background:#0276F2;
    border-bottom:3px solid #325AFA;
}
#nav li a.current {
    border-bottom:3px solid #325AFA;
}
@keyframes navlink {
    from {
        background-color:#3D362B;
    }
    to {
        background-color:#0276F2;
    }
}
#container {
    font-family:"Oswald", "Bree Serif";
    margin:0px;
}
#content {
    margin:2%;
    bottom:0px;
    position:relative;
    font-size:16px;
    border:2px solid white;
    background:rgba(255, 255, 255, 0.3);
    text-align:center;
}
#content #title {
    margin-left:2% !important;
    margin-right:2% !important;
    color:black;
    font-family:"Lobster";
    font-size:32px;
    text-align:center;
    border-bottom:2px dashed white;
}

和我的新移动导航:

body, div,
h1, h2, h3, h4, h5, h6,
p, blockquote, pre, dl, dt, dd, ol, ul, li, hr,
fieldset, form, label, legend, th, td,
article, aside, figure, footer, header, hgroup, menu, nav, section,
summary, hgroup {
  margin: 0;
  padding: 0;
  border: 0;
}

a:active,
a:hover {
  outline: 0;
}

@-webkit-viewport { width: device-width; }
@-moz-viewport { width: device-width; }
@-ms-viewport { width: device-width; }
@-o-viewport { width: device-width; }
@viewport { width: device-width; }


/* ------------------------------------------
  RESPONSIVE NAV STYLES
--------------------------------------------- */

.nav-collapse ul {
  margin: 0;
  padding: 0;
  width: 100%;
  display: block;
  list-style: none;
}

.nav-collapse li {
  width: 100%;
  display: block;
}

.js .nav-collapse {
  clip: rect(0 0 0 0);
  max-height: 0;
  position: absolute;
  display: block;
  overflow: hidden;
  zoom: 1;
}

.nav-collapse.opened {
  max-height: 9999px;
}

.disable-pointer-events {
  pointer-events: none !important;
}

.nav-toggle {
  -webkit-tap-highlight-color: rgba(0,0,0,0);
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  -o-user-select: none;
  user-select: none;
}

@media screen and (min-width: 40em) {
  .js .nav-collapse {
    position: relative;
  }
  .js .nav-collapse.closed {
    max-height: none;
  }
  .nav-toggle {
    display: none;
  }
}


/* ------------------------------------------
  FIXED HEADER
--------------------------------------------- */


/* ------------------------------------------
  MASK
--------------------------------------------- */


header {
  background: #454443;
  position:absolute;
  z-index: 3;
  width: 100%;
  left: 0;
  top: 0;
}



.mask {
  -webkit-transition: opacity 300ms;
  -moz-transition: opacity 300ms;
  transition: opacity 300ms;
  background: rgba(0,0,0, .5);
  visibility: hidden;
  position: fixed;
  opacity: 0;
  z-index: 2;
  bottom: 0;
  right: 0;
  left: 0;
  top: 0;
}

.android .mask {
  -webkit-transition: none;
  transition: none;
}

.js-nav-active .mask {
  visibility: visible;
  opacity: 1;
}

@media screen and (min-width: 40em) {
  .mask {
    display: none !important;
    opacity: 0 !important;
  }
}


/* ------------------------------------------
  NAVIGATION STYLES
--------------------------------------------- */

.nav-collapse,
.nav-collapse ul {
  list-style: none;
  width: 100%;
  float: left;
}

@media screen and (max-width: 480px) {
  .nav-collapse {
    float: left;
    width: auto;
  }
}

.nav-collapse li {
  float: left;
  width: 100%;
}

@media screen and (min-width: 40em) {
  .nav-collapse li {
    width: auto;
  }
}

.nav-collapse a {
  -webkit-tap-highlight-color: rgba(0,0,0,0);
  border-top: 1px solid white;
  text-decoration: none;
  background: #454443;
  color: #fff;
  width: 100%;
  float: left;
}

    
.nav-collapse a:active,
.nav-collapse .active a {
  background: #325AFA;
}

@media screen and (min-width: 40em) {
  .nav-collapse a {
    
    text-align: center;
    border-top: 0;
    float: left;
    margin: 0;
  }
}

.nav-collapse ul ul a {
  background: #ca3716;
  padding-left: 2em;
}

@media screen and (min-width: 40em) {
  .nav-collapse ul ul a {
    display: none;
  }
}



/* ------------------------------------------
  NAV TOGGLE STYLES
--------------------------------------------- */

@font-face {
  font-family: "responsivenav";
  src:url("../icons/responsivenav.eot");
  src:url("../icons/responsivenav.eot?#iefix") format("embedded-opentype"),
    url("../icons/responsivenav.ttf") format("truetype"),
    url("../icons/responsivenav.woff") format("woff"),
    url("../icons/responsivenav.svg#responsivenav") format("svg");
  font-weight: normal;
  font-style: normal;
}

.nav-toggle {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-decoration: none;
  text-indent: -300px;
  position: relative;
  overflow: hidden;
  width: 60px;
  height: 55px;
  float: right;
}

.nav-toggle:before {
  color: #fff; /* Edit this to change the icon color */
  font: normal 28px/55px "responsivenav"; /* Edit font-size (28px) to change the icon size */
  text-transform: none;
  text-align: center;
  position: absolute;
  content: "\2261"; /* Hamburger icon */
  text-indent: 0;
  speak: none;
  width: 100%;
  left: 0;
  top: 0;
}

.nav-toggle.active:before {
  font-size: 24px;
  content: "\78"; /* Close icon */
}

最佳答案

尝试使用 navbar-fixed-top 将导航栏固定在顶部，然后为正文提供 50px 的 padding-top。

关于html - 响应式导航栏问题，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/35246066/

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