Question

我一直在用CSS和PHP创建一个网站，并且标题似乎在每个链接之间有大约2px的边距。我自己没有定义这个边距，无法在任何地方找到问题的原因。我可以通过添加2px的负余量来解决问题，但我觉得这并没有真正解决问题，只是掩盖它。

这些链接是内嵌式的，并且在彼此齐平之前，并且与＃34; Leader Board＆＃34;我有。

＆＃13;

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Lucida Sans Unicode", "Lucida Grande", sans-serif;
  min-height: 100%;
}

h1 {
  font-size: 22px;
  margin: 0px;
}

h2 {
  padding: 5px;
  margin: 0px;
}

h3 {
  padding: 5px;
  margin: 0px;
}

p {
  margin: 0px;
  padding: 5px;
}

#wrapper {
  position: relative;
  min-height: 100%;
  background-color: #eee;
  background-size: cover;
}

#header {
  padding: 0px 50px 0px 0px;
  margin: 0;
  position: fixed;
  width: 100%;
  height: 90px;
  background-color: #ffbb00;
  text-align: right;
  line-height: 90px;
}

#header h1 {
  padding: 0px 0px 0px 5px;
  margin: 0;
  float: left;
  text-align: center;
  display: inline-block;
  line-height: 90px;
  font-size: 80px;
  color: #00a1ff;
  font-style: italic;
  text-transform: uppercase;
}

#header a {
  padding: 0px 25px 0px 25px;
  margin: 0;
  transition: background .5s;
  display: inline-block;
  box-sizing: border-box;
  width: auto;
  height: 100%;
  text-decoration: none;
  text-align: center;
  line-height: 90px;
  font-size: 25px;
  letter-spacing: 4px;
  color: #fff;
  text-transform: uppercase;
}

#header a#selected {
  background: #ff9f00;
  cursor: default
}

#header a:hover {
  transition: background .5s;
  background: #ffaa00
}

#LeaderBoard {
  position: fixed;
  margin-top: 90px;
  right: 0px;
  float: right;
  width: 492px;
  height: 100%;
  background-color: #FFEE77;
  padding: 0px;
  z-index: 9;
}

#LeaderBoardHead {
  background-color: #ffb233;
  height: 65px;
  line-height: 65px;
  width: 100%;
  margin-top: 0px;
}

#LeaderBoardHead h2 {
  font-family: sans-serif;
  color: #ffffff;
  padding: 0 0 0 0;
  font-size: 50;
  text-align: center;
}

#welcome {
  position: relative;
  margin-top: 180px;
  margin-right: 45%;
  margin-left: 5%;
  padding: 0px;
  float: right;
  width: auto;
  height: auto;
  background-color: ;
  z-index: 1;
}

#welcome h2 {
  font-size: 50;
  font-family: sans-serif;
  font-style: italic;
  color: #00a1ff;
}

#welcome h3 {
  color: #00a1ff;
  font-size: 22;
}

#welcome p {
  color: #00a1ff;
  font-size: 18;
}

＆＃13;

<html>

<head>

  <title>Flash Crash</title>
  <link rel="shortcut icon" href="../assets/favicon.png">
  <meta name="viewport" content="width=device-width">
  <link rel="stylesheet" type="text/css" href="../css/stylesheet.css">

  <meta name="description" content="Flash Crash" />
  <meta name="viewport" content="width=device-width" />

</head>

<body>
  <div id="wrapper">
    <div id="header">

      <h1>Flash Crash</h1>

      <a id="selected" href="../index.php" hreflang="en-gb">Home</a> <a href="../login.php" hreflang="en-gb">Login</a> <a href="../feedback.php" hreflang="en-gb">Feedback</a> </div>
    <link rel="stylesheet" type="text/css" href="../css/LeaderBoard.css" />

    <div id="LeaderBoard">

      <div id="LeaderBoardHead">
        <h2>Leader Board</h2>
      </div>

      <div id="LeaderBoardContent">

      </div>

    </div>
    <link rel="stylesheet" type="text/css" href="../css/welcome.css" />

    <div id="welcome">
      <h2>Welcome to Flash Crash!</h2>
      <h3>The Online Flash Card Crash Course for Computer Science</h3>
      <p>Flash Crash is a competitive online revision tool for computing students. <br> compete against your class mates by compleeting randomly generated quizzes <br> to earn points and unlock new editing permissions on the site!
      </p>
    </div>
  </div>
</body>

</html>

＆＃13;

这是我的网站，您可以自己查看问题：

jakehowell.me

非常感谢任何帮助，谢谢！

Answer 1

菜单a标记之间有空格。如果删除它们，它会按预期工作。

＆＃13;

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Lucida Sans Unicode", "Lucida Grande", sans-serif;
  min-height: 100%;
}

h1 {
  font-size: 22px;
  margin: 0px;
}

h2 {
  padding: 5px;
  margin: 0px;
}

h3 {
  padding: 5px;
  margin: 0px;
}

p {
  margin: 0px;
  padding: 5px;
}

#wrapper {
  position: relative;
  min-height: 100%;
  background-color: #eee;
  background-size: cover;
}

#header {
  padding: 0px 50px 0px 0px;
  margin: 0;
  position: fixed;
  width: 100%;
  height: 90px;
  background-color: #ffbb00;
  text-align: right;
  line-height: 90px;
}

#header h1 {
  padding: 0px 0px 0px 5px;
  margin: 0;
  float: left;
  text-align: center;
  display: inline-block;
  line-height: 90px;
  font-size: 80px;
  color: #00a1ff;
  font-style: italic;
  text-transform: uppercase;
}

#header a {
  padding: 0px 25px 0px 25px;
  margin: 0;
  transition: background .5s;
  display: inline-block;
  box-sizing: border-box;
  width: auto;
  height: 100%;
  text-decoration: none;
  text-align: center;
  line-height: 90px;
  font-size: 25px;
  letter-spacing: 4px;
  color: #fff;
  text-transform: uppercase;
}

#header a#selected {
  background: #ff9f00;
  cursor: default
}

#header a:hover {
  transition: background .5s;
  background: #ffaa00
}

#LeaderBoard {
  position: fixed;
  margin-top: 90px;
  right: 0px;
  float: right;
  width: 492px;
  height: 100%;
  background-color: #FFEE77;
  padding: 0px;
  z-index: 9;
}

#LeaderBoardHead {
  background-color: #ffb233;
  height: 65px;
  line-height: 65px;
  width: 100%;
  margin-top: 0px;
}

#LeaderBoardHead h2 {
  font-family: sans-serif;
  color: #ffffff;
  padding: 0 0 0 0;
  font-size: 50;
  text-align: center;
}

#welcome {
  position: relative;
  margin-top: 180px;
  margin-right: 45%;
  margin-left: 5%;
  padding: 0px;
  float: right;
  width: auto;
  height: auto;
  background-color: ;
  z-index: 1;
}

#welcome h2 {
  font-size: 50;
  font-family: sans-serif;
  font-style: italic;
  color: #00a1ff;
}

#welcome h3 {
  color: #00a1ff;
  font-size: 22;
}

#welcome p {
  color: #00a1ff;
  font-size: 18;
}

＆＃13;

<html>

<head>

  <title>Flash Crash</title>
  <link rel="shortcut icon" href="../assets/favicon.png">
  <meta name="viewport" content="width=device-width">
  <link rel="stylesheet" type="text/css" href="../css/stylesheet.css">

  <meta name="description" content="Flash Crash" />
  <meta name="viewport" content="width=device-width" />

</head>

<body>
  <div id="wrapper">
    <div id="header">

      <h1>Flash Crash</h1>

      <a id="selected" href="../index.php" hreflang="en-gb">Home</a><a href="../login.php" hreflang="en-gb">Login</a><a href="../feedback.php" hreflang="en-gb">Feedback</a></div>
    <link rel="stylesheet" type="text/css" href="../css/LeaderBoard.css" />

    <div id="LeaderBoard">

      <div id="LeaderBoardHead">
        <h2>Leader Board</h2>
      </div>

      <div id="LeaderBoardContent">

      </div>

    </div>
    <link rel="stylesheet" type="text/css" href="../css/welcome.css" />

    <div id="welcome">
      <h2>Welcome to Flash Crash!</h2>
      <h3>The Online Flash Card Crash Course for Computer Science</h3>
      <p>Flash Crash is a competitive online revision tool for computing students. <br> compete against your class mates by compleeting randomly generated quizzes <br> to earn points and unlock new editing permissions on the site!
      </p>
    </div>
  </div>
</body>

</html>

＆＃13;

Answer 2

在锚标记之间存在whiteSpace文本节点。在锚标记中，您会发现锚标记之间存在小气泡。看到这个链接。你会找到答案 https://blog.nightly.mozilla.org/2016/10/17/devtools-now-display-white-space-text-nodes-in-the-dom-inspector/

Answer 3

这是一个已知的白色空间问题您可以删除链接之间的空格或将它们浮动在彼此旁边以解决此问题。

Answer 4

不是在每个元素中使用 margin：0px; ，而是使用：

*{
    margin: 0;
 }

*用于应用你在那里放置的任何东西

神秘的保证金？

4 个答案: