水平导航栏子导航环绕向下而不是使用其后面（左侧）的空间

Question

所以我遇到的问题是，如果我选择导航栏上的最后一个选项，因为下拉列表有很多选项，它会超出导航栏左侧的长度并包裹在下面，创建一个选项网格2x2。

我更喜欢它是否使用了左边的空间而不是封闭。我怎样才能做到这一点。

＆＃13;

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nav {
  margin: 0 auto;
  text-align: center;
}
nav ul ul {
  display: none;
}
nav ul li:hover > ul {
  display: block;
}
nav ul {
  color: white;
  background: #787878;
  background: linear-gradient(top, #787878 0%, #272727 100%);
  background: -moz-linear-gradient(top, #787878 0%, #272727 100%);
  background: -webkit-linear-gradient(top, #787878 0%, #272727 100%);
  box-shadow: 0px 0px 9px rgba(0, 0, 0, 0.15);
  padding: 0 20px;
  border-radius: 25px;
  list-style: none;
  position: relative;
  display: inline-table;
}
nav ul:after {
  content: "";
  clear: both;
  display: block;
}
nav ul li {
  float: left;
}
nav ul li:hover {
  background: #A8A8A8;
}
nav ul li:hover a {
  color: #fff;
}
nav ul li a {
  display: block;
  padding: 15px 50px;
  color: white;
  text-decoration: none;
}
nav ul ul {
  background: #505050;
  border-radius: 0px;
  padding: 0;
  position: absolute;
  top: 100%;
}
nav ul ul li {
  float: left;
  border-top: 1px solid #6b727c;
  border-bottom: 1px solid #575f6a;
  position: relative;
}
nav ul ul li a {
  padding: 15px 40px;
  color: #fff;
}
nav ul ul li a:hover {
  background: #A8A8A8;
}
nav ul ul ul {
  position: absolute;
  left: 100%;
  top: 0;
}

＆＃13;

<nav>
  <ul>
    <li><a href="/p/">Players</a>
      <ul>
        <li><a href="#">Wonderkids</a>
        </li>
        <li><a href="#">Cheap Players</a>
        </li>
        <li><a href="#">Player Comparisons</a>
        </li>
      </ul>
    </li>
    <li><a href="/c/">Clubs</a>
      <ul>
        <li><a href="#">Club Info</a>
        </li>
        <li><a href="#">Transfer Budgets</a>
        </li>
        <li><a href="#">Sugar Daddys</a>
        </li>
      </ul>
    </li>
    <li><a href="/s/">Downloads</a>
      <ul>
        <li><a href="#">Tactics</a>
        </li>
        <li><a href="#">Shortlists</a>
          <ul>
            <li><a href="#">Various Shortlists</a>
            </li>
            <li><a href="#">Positional Shortlists</a>
            </li>
            <li><a href="#">Staff Shortlists</a>
            </li>
          </ul>
        </li>
      </ul>
    </li>
    <li><a href="/g/">Write-Ups</a>
    </li>
    <li><a href="/p/">Social</a>
      <ul>
        <li><a href="#">Facebook</a>
        </li>
        <li><a href="#">Twitter</a>
        </li>
        <li><a href="#">Youtube</a>
        </li>
        <li><a href="#">Affiliates</a>
        </li>
      </ul>
    </li>
    <li><a href="/aboutus/">About Us</a>
    </li>
  </ul>
</nav>

＆＃13;

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Answer 1

问题是子菜单在主菜单中父项的左边缘对齐。让我们将子菜单对齐主菜单的右边缘。

1. 将班级ul-right添加到相应的<ul>。
2. 添加CSS代码nav ul ul.ul-right { right: 0; }。

检查结果：

nav {
  margin: 0 auto;
  text-align: center;
}
nav ul ul {
  display: none;
}
nav ul li:hover > ul {
  display: block;
}
nav ul {
  color: white;
  background: #787878;
  background: linear-gradient(top, #787878 0%, #272727 100%);
  background: -moz-linear-gradient(top, #787878 0%, #272727 100%);
  background: -webkit-linear-gradient(top, #787878 0%, #272727 100%);
  box-shadow: 0px 0px 9px rgba(0, 0, 0, 0.15);
  padding: 0 20px;
  border-radius: 25px;
  list-style: none;
  position: relative;
  display: inline-table;
}
nav ul:after {
  content: "";
  clear: both;
  display: block;
}
nav ul li {
  float: left;
}
nav ul li:hover {
  background: #A8A8A8;
}
nav ul li:hover a {
  color: #fff;
}
nav ul li a {
  display: block;
  padding: 15px 50px;
  color: white;
  text-decoration: none;
}
nav ul ul {
  background: #505050;
  border-radius: 0px;
  padding: 0;
  position: absolute;
  top: 100%;
}
nav ul ul.ul-right {
  right: 0;
}
nav ul ul li {
  float: left;
  border-top: 1px solid #6b727c;
  border-bottom: 1px solid #575f6a;
  position: relative;
}
nav ul ul li a {
  padding: 15px 40px;
  color: #fff;
}
nav ul ul li a:hover {
  background: #A8A8A8;
}
nav ul ul ul {
  position: absolute;
  left: 100%;
  top: 0;
}

<nav>
  <ul>
    <li><a href="/p/">Players</a>
      <ul>
        <li><a href="#">Wonderkids</a>
        </li>
        <li><a href="#">Cheap Players</a>
        </li>
        <li><a href="#">Player Comparisons</a>
        </li>
      </ul>
    </li>
    <li><a href="/c/">Clubs</a>
      <ul>
        <li><a href="#">Club Info</a>
        </li>
        <li><a href="#">Transfer Budgets</a>
        </li>
        <li><a href="#">Sugar Daddys</a>
        </li>
      </ul>
    </li>
    <li><a href="/s/">Downloads</a>
      <ul>
        <li><a href="#">Tactics</a>
        </li>
        <li><a href="#">Shortlists</a>
          <ul>
            <li><a href="#">Various Shortlists</a>
            </li>
            <li><a href="#">Positional Shortlists</a>
            </li>
            <li><a href="#">Staff Shortlists</a>
            </li>
          </ul>
        </li>
      </ul>
    </li>
    <li><a href="/g/">Write-Ups</a>
    </li>
    <li><a href="/p/">Social</a>
      <ul class="ul-right">
        <li><a href="#">Facebook</a>
        </li>
        <li><a href="#">Twitter</a>
        </li>
        <li><a href="#">Youtube</a>
        </li>
        <li><a href="#">Affiliates</a>
        </li>
      </ul>
    </li>
    <li><a href="/aboutus/">About Us</a>
    </li>
  </ul>
</nav>