所有元素都与导航栏居中对齐

时间：2020-08-21 08:30:08

标签： html css navbar center

此导航栏给我带来了许多问题。这次我再次面临另一种问题，也许是最困难的问题。

导航栏应位于中心，但不应位于其后的其他元素。您甚至可以看到我在此主题上发布的先前问题，这些问题与所有元素上的导航栏溢出（所有元素都在下面）有关。解决了这个问题，但是又有了新的问题。

这是完整的HTML代码：


<!DOCTYPE html>
<html lang="en" >
<head>
  <meta charset="UTF-8">
  <title>Smileybook</title>
  <meta name="viewport" content="width=device-width, initial-scale=1">

<link href="https://fonts.googleapis.com/css?family=Montserrat:300,400,700,900&display=swap" rel="stylesheet">

<link href="buttonstyle.css" rel="stylesheet">


<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/meyer-reset/2.0/reset.min.css">
<link rel="stylesheet" href="./style.css">



<style>
div {
  margin-bottom: ;
  padding: ;
}
.info {
 clear: both;
 margin-top: 20px;
 width: 700px;
 background-color: #e7f3fe;
 border-left: 6px solid #2196F3;
 border-radius: 5px;
 transition: opacity 1s;
}
.closebtn {
  margin-left: 5px;
  color: black;
  font-weight: bold;
  float: right;
  font-size: 22px;
  line-height: 30px;
  cursor: pointer;
  transition: 0.5s;
}

.closebtn:hover {
  color: black;
}
</style>

<style>
/* width */
::-webkit-scrollbar {
  width: 10px;
}

/* Track */
::-webkit-scrollbar-track {
  box-shadow: inset 0 0 5px lightblue;
  border-radius: ;
}

/* Handle */
::-webkit-scrollbar-thumb {
  background: #ccc;
  border-radius: ;
}

/* Handle on hover */
::-webkit-scrollbar-thumb:hover {
  background: #333;
}
</style>


<style>
.buttonhover {
  border-radius: 40px;
  background-image: linear-gradient(90deg , rgb(2, 0, 200) 0%, rgb(9, 9, 121) 0%, rgb(0, 212, 255) 100%);;
  border: solid;
  color: #FFFFFF;
  text-align: center;
  font-size: 13px;
  padding: 14px;
  width: 135px;
  transition: all 0.5s;
  cursor: pointer;
  margin-top: 5px;
  margin-bottom: 5px;
}

.buttonhover span {
  cursor: pointer;
  display: inline-block;
  position: relative;
  transition: 0.5s;
}

.buttonhover span:after {
  content: '\00bb';
  position: absolute;
  opacity: 0;
  top: 0;
  right: -20px;
  transition: 0.5s;
}

.buttonhover:hover span {
  padding-right: 25px;
}

.buttonhover:hover span:after {
  opacity: 1;
  right: 0;
}
</style>

<style>
/* Full-width input fields */
input[type=text], input[type=password] {
    width: 100%;
    padding: 12px 20px;
    margin: 8px 0;
    border-radius: 20px;
    display: inline-block;
    border: 1px solid #ccc;
    box-sizing: border-box;
}

/* Set a style for all buttons */
button {
    background-color: #2FEA14;
    color: white;
    padding: 14px 20px;
    margin: 8px 0;
    border: none;
    cursor: pointer;
    width: 100%;
}

button:hover {
    opacity: 0.8;
}

/* Extra styles for the cancel button */
.cancelbtn {
    width: auto;
    padding: 10px 18px;
    background-color: #FFF300;
}

/* Center the image and position the close button */
.imgcontainer {
    text-align: center;
    margin: 24px 0 12px 0;
    position: relative;
}

img.avatar {
    width: 40%;
    border-radius: 50%;
}

.container {
    padding: 16px;
}

span.psw {
    float: right;
    padding-top: 16px;
}

/* The Modal (background) */
.modal {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    z-index: 5; /* Sit on top */
    left: 0;
    top: 0;
    width: 100%; /* Full width */
    height: 100%; /* Full height */
    overflow: manual; /* Enable scroll if needed */
    background-color: rgb(0,0,0); /* Fallback color */
    background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
    padding-top: ;
}

/* Modal Content/Box */
.modal-content {
    background-color: #fefefe;
    margin: 5% auto 15% auto; /* 5% from the top, 15% from the bottom and centered */
    border: 1px solid #888;
    border-radius: 5px ;
    width: 80%; /* Could be more or less, depending on screen size */
}

/* The Close Button (x) */
.close {
    position: absolute;
    right: 30px;
    top: 0;
    color: #000;
    font-size: 35px;
    font-weight: bold;
}

.close:hover,
.close:focus {
    color: red;
    cursor: pointer;
}

/* Add Zoom Animation */
.animate {
    -webkit-animation: animatezoom 0.6s;
    animation: animatezoom 0.6s
}

@-webkit-keyframes animatezoom {
    from {-webkit-transform: scale(0)}
    to {-webkit-transform: scale(1)}
}

@keyframes animatezoom {
    from {transform: scale(0)}
    to {transform: scale(1)}
}

/* Change styles for span and cancel button on extra small screens */
@media screen and (max-width: 300px) {
    span.psw {
       display: block;
       float: none;
    }
    .cancelbtn {
       width: 100%;
    }
}
</style>

</head>

</div>




<div class"header-container">

<ul id="nav-1">
    <li class="slide1"></li>
    <li class="slide2"></li>
    <li><a href="#">Alpha</a></li>
    <li><a href="#">Beta</a></li>
    <li><a href="#">Gamma</a></li>
    <li><a href="#">Delta</a></li>
    <li><a href="#">Epsilon</a></li>
    <li><a href="#" onclick="document.getElementById('id01').style.display='block'">Login</a></li>
  </ul>











  <div class="info">
     <span class="closebtn">&times;</span>
     <b>Info!</b> You are currently on latest version of Smileybook
     <i>Smileybook 1.2</i>
     Subscribe to Smileybook Notifications and Share you comments on Mail.
   </div>



<div id="id01" class="modal" align="center">


   <form class="modal-content animate" action="https://yashdamani.000webhostapp.com/account/account.html">


<div class="imgcontainer">
<span onclick="document.getElementById('id01').style.display='none'" class="close" title="Close ">&times;</span>
</div>



  <div class="container">
  <label><b><i><font color="70bafe">Username</font></i></b>
</label>

     <input type="text" placeholder="Enter Username"name="user" required>




    <label><b><i><font color="70bafe" >Password</font></i></b></label>

   <input type="password" placeholder="Enter Password" name="pass" required>


<a href="https://yashdamani.000webhostapp.com/account/account.html" accesskey="enter">
<button class="btn submit_btn form-control" onclick="document.getElementById('id01').style.display='block'" style="width:20px," type="submit">Login</button></a>

<br>


 <input type="checkbox" checked="checked">
<font color="70bafe" > Remember me
  </font>
</div>



 <div class="container" style="background-color:#f1f1f1">

  <button type="button" onclick="document.getElementById('id01').style.display='none'" class="cancelbtn">
<font color="0A026A"><b>Cancel</b></font></button>


<br>


<a href="https://yashdamani.000webhostapp.com/forgotpassword.html"  accesskey="" ><font color="70bafe" > Forgot Password?</a></font>

<hr color="70bafe">

</div>


</div>

 </form>


</div>





 <script>
 // Get the modal
 var modal = document.getElementById('id01');

 // When the user clicks anywhere outside of the modal, close it
 window.onclick = function(event) {
     if (event.target == modal) {
         modal.style.display = "none";
     }
 }

 </script>



 <script>
 var close = document.getElementsByClassName("closebtn");
 var i;

 for (i = 0; i < close.length; i++) {
   close[i].onclick = function(){
     var div = this.parentElement;
     div.style.opacity = "0";
     setTimeout(function(){ div.style.display = "none"; }, 600);
   }
 }
 </script>

  <script src='./jquery.min.js'></script>
  <script  src="./script.js"></script>


</body>





</html>

这是导航栏的CSS代码：


.header-container {
  display: flex;
  max-width: 100%;
  margin-top: 10px;
  flex-wrap: wrap;
}

#nav-1 {
  position: relative;
  border: none;
  margin-top: 10px;
  float: none;
  border-radius: 20em;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  list-style: none;
  background: #f5f5f5;
  box-shadow: 20px 40px 40px #00000033;
  padding: 10px;
}

#nav-1 li {
  margin: 0px;
}

#nav-1 li a {
  position: relative;
  padding: 0.6em 2em;
  font-size: 18px;
  border: none;
  outline: none;
  color: #333;
  display: inline-block;
  text-decoration: none;
  z-index: 3;
}

#nav-1 .slide1,
#nav-1 .slide2 {
  position: absolute;
  display: inline-block;
  height: 3em;
  border-radius: 10em;
  -webkit-transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1.05);
  transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1.05);
}

#nav-1 .slide1 {
  background-color: lightblue;
  z-index: 2;
}

#nav-1 .slide2 {
  opacity: 0;
  background: #ddd;
  z-index: 1;
}

#nav-1 .squeeze {
  -webkit-transform: scale(0.9);
  transform: scale(0.9);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  display: -webkit-box;
  display: flex;
  -webkit-box-pack: center;
          justify-content: center;
  -webkit-box-align: center;
          align-items: center;
  background-color: #e0e0e0;
  font-family: Montserrat, sans-serif;
  line-height: 1.5;
  background: white;
}

请尽快帮助我。

1 个答案:

答案 0 :(得分：0)

我已经更新了代码。

<!DOCTYPE html>
<html lang="en" >
<head>
  <meta charset="UTF-8">
  <title>Smileybook</title>
  <meta name="viewport" content="width=device-width, initial-scale=1">

<link href="https://fonts.googleapis.com/css?family=Montserrat:300,400,700,900&display=swap" rel="stylesheet">

<link href="buttonstyle.css" rel="stylesheet">


<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/meyer-reset/2.0/reset.min.css">
<link rel="stylesheet" href="./style.css">



<style>
div {
  margin-bottom: ;
  padding: ;
}
.info {
 clear: both;
 margin-top: 20px;
 margin-left: 10px;
 margin-right: 10px;
 width: 100%;
 background-color: #e7f3fe;
 border-left: 6px solid #2196F3;
 border-radius: 5px;
 transition: opacity 1s;
}
.closebtn {
  margin-left: 5px;
  color: black;
  font-weight: bold;
  float: right;
  font-size: 22px;
  line-height: 30px;
  cursor: pointer;
  transition: 0.5s;
}

.closebtn:hover {
  color: black;
}
</style>

<style>
/* width */
::-webkit-scrollbar {
  width: 10px;
}

/* Track */
::-webkit-scrollbar-track {
  box-shadow: inset 0 0 5px lightblue;
  border-radius: ;
}

/* Handle */
::-webkit-scrollbar-thumb {
  background: #ccc;
  border-radius: ;
}

/* Handle on hover */
::-webkit-scrollbar-thumb:hover {
  background: #333;
}
</style>


<style>
.buttonhover {
  border-radius: 40px;
  background-image: linear-gradient(90deg , rgb(2, 0, 200) 0%, rgb(9, 9, 121) 0%, rgb(0, 212, 255) 100%);;
  border: solid;
  color: #FFFFFF;
  text-align: center;
  font-size: 13px;
  padding: 14px;
  width: 135px;
  transition: all 0.5s;
  cursor: pointer;
  margin-top: 5px;
  margin-bottom: 5px;
}

.buttonhover span {
  cursor: pointer;
  display: inline-block;
  position: relative;
  transition: 0.5s;
}

.buttonhover span:after {
  content: '\00bb';
  position: absolute;
  opacity: 0;
  top: 0;
  right: -20px;
  transition: 0.5s;
}

.buttonhover:hover span {
  padding-right: 25px;
}

.buttonhover:hover span:after {
  opacity: 1;
  right: 0;
}
</style>

<style>
/* Full-width input fields */
input[type=text], input[type=password] {
    width: 100%;
    padding: 12px 20px;
    margin: 8px 0;
    border-radius: 20px;
    display: inline-block;
    border: 1px solid #ccc;
    box-sizing: border-box;
}

/* Set a style for all buttons */
button {
    background-color: #2FEA14;
    color: white;
    padding: 14px 20px;
    margin: 8px 0;
    border: none;
    cursor: pointer;
    width: 100%;
}

button:hover {
    opacity: 0.8;
}

/* Extra styles for the cancel button */
.cancelbtn {
    width: auto;
    padding: 10px 18px;
    background-color: #FFF300;
}

/* Center the image and position the close button */
.imgcontainer {
    text-align: center;
    margin: 24px 0 12px 0;
    position: relative;
}

img.avatar {
    width: 40%;
    border-radius: 50%;
}

.container {
    padding: 16px;
}

span.psw {
    float: right;
    padding-top: 16px;
}

/* The Modal (background) */
.modal {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    z-index: 5; /* Sit on top */
    left: 0;
    top: 0;
    width: 100%; /* Full width */
    height: 100%; /* Full height */
    overflow: manual; /* Enable scroll if needed */
    background-color: rgb(0,0,0); /* Fallback color */
    background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
    padding-top: ;
}

/* Modal Content/Box */
.modal-content {
    background-color: #fefefe;
    margin: 5% auto 15% auto; /* 5% from the top, 15% from the bottom and centered */
    border: 1px solid #888;
    border-radius: 5px ;
    width: 80%; /* Could be more or less, depending on screen size */
}

/* The Close Button (x) */
.close {
    position: absolute;
    right: 30px;
    top: 0;
    color: #000;
    font-size: 35px;
    font-weight: bold;
}

.close:hover,
.close:focus {
    color: red;
    cursor: pointer;
}

/* Add Zoom Animation */
.animate {
    -webkit-animation: animatezoom 0.6s;
    animation: animatezoom 0.6s
}

@-webkit-keyframes animatezoom {
    from {-webkit-transform: scale(0)}
    to {-webkit-transform: scale(1)}
}

@keyframes animatezoom {
    from {transform: scale(0)}
    to {transform: scale(1)}
}

/* Change styles for span and cancel button on extra small screens */
@media screen and (max-width: 300px) {
    span.psw {
       display: block;
       float: none;
    }
    .cancelbtn {
       width: 100%;
    }
}
</style>
<style>

.header-container {
  display: flex;
  width: 100%;
  max-width: 100%;
  margin-top: 10px;
  flex-wrap: wrap;
}
.nav-cont
{
text-align: center;
width: 100%;
}
#nav-1 {
  position: relative;
  width: max-content;
  border: none;
  margin-top: 10px;
  float: none;
  border-radius: 20em;
  display: inline-block;
  //display: -webkit-box;
  //display: -ms-flexbox;
  display: inline-flex;
  list-style: none;
  background: #f5f5f5;
  box-shadow: 20px 40px 40px #00000033;
  padding: 10px;
}

#nav-1 li {
  margin: 0px;
}

#nav-1 li a {
  position: relative;
  padding: 0.6em 2em;
  font-size: 18px;
  border: none;
  outline: none;
  color: #333;
  display: inline-block;
  text-decoration: none;
  z-index: 3;
}

#nav-1 .slide1,
#nav-1 .slide2 {
  position: absolute;
  display: inline-block;
  height: 3em;
  border-radius: 10em;
  -webkit-transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1.05);
  transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1.05);
}

#nav-1 .slide1 {
  background-color: lightblue;
  z-index: 2;
}

#nav-1 .slide2 {
  opacity: 0;
  background: #ddd;
  z-index: 1;
}

#nav-1 .squeeze {
  -webkit-transform: scale(0.9);
  transform: scale(0.9);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  display: -webkit-box;
  display: flex;
  -webkit-box-pack: center;
          //justify-content: center;
  -webkit-box-align: center;
          align-items: center;
  background-color: #e0e0e0;
  font-family: Montserrat, sans-serif;
  line-height: 1.5;
  background: white;
}
</style>
</head>
<body>





<div class="header-container">

<div class="nav-cont">
<ul id="nav-1">
    <li class="slide1"></li>
    <li class="slide2"></li>
    <li><a href="#">Alpha</a></li>
    <li><a href="#">Beta</a></li>
    <li><a href="#">Gamma</a></li>
    <li><a href="#">Delta</a></li>
    <li><a href="#">Epsilon</a></li>
    <li><a href="#" onclick="document.getElementById('id01').style.display='block'">Login</a></li>
  </ul>
  </div>











  <div class="info">
     <span class="closebtn">&times;</span>
     <b>Info!</b> You are currently on latest version of Smileybook
     <i>Smileybook 1.2</i>
     Subscribe to Smileybook Notifications and Share you comments on Mail.
   </div>



<div id="id01" class="modal" align="center">


   <form class="modal-content animate" action="https://yashdamani.000webhostapp.com/account/account.html">


<div class="imgcontainer">
<span onclick="document.getElementById('id01').style.display='none'" class="close" title="Close ">&times;</span>
</div>



  <div class="container">
  <label><b><i><font color="70bafe">Username</font></i></b>
</label>

     <input type="text" placeholder="Enter Username"name="user" required>




    <label><b><i><font color="70bafe" >Password</font></i></b></label>

   <input type="password" placeholder="Enter Password" name="pass" required>


<a href="https://yashdamani.000webhostapp.com/account/account.html" accesskey="enter">
<button class="btn submit_btn form-control" onclick="document.getElementById('id01').style.display='block'" style="width:20px," type="submit">Login</button></a>

<br>


 <input type="checkbox" checked="checked">
<font color="70bafe" > Remember me
  </font>
</div>



 <div class="container" style="background-color:#f1f1f1">

  <button type="button" onclick="document.getElementById('id01').style.display='none'" class="cancelbtn">
<font color="0A026A"><b>Cancel</b></font></button>


<br>


<a href="https://yashdamani.000webhostapp.com/forgotpassword.html"  accesskey="" ><font color="70bafe" > Forgot Password?</a></font>

<hr color="70bafe">

</div>


</div>

 </form>


</div>





 <script>
 // Get the modal
 var modal = document.getElementById('id01');

 // When the user clicks anywhere outside of the modal, close it
 window.onclick = function(event) {
     if (event.target == modal) {
         modal.style.display = "none";
     }
 }

 </script>



 <script>
 var close = document.getElementsByClassName("closebtn");
 var i;

 for (i = 0; i < close.length; i++) {
   close[i].onclick = function(){
     var div = this.parentElement;
     div.style.opacity = "0";
     setTimeout(function(){ div.style.display = "none"; }, 600);
   }
 }
 </script>

  <script src='./jquery.min.js'></script>
  <script  src="./script.js"></script>


</body>





</html>

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