使用溢出隐藏

时间：2015-08-23 08:05:10

标签： html css

我使用overflow: hidden让我的布局流畅。请参阅（以下代码）名为Dropdown Menu的右上角按钮。这是需要修复的问题。

请参阅以下代码以供参考。

＆＃13;
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* {
  padding: 0;
  margin: 0;
}
*:focus {
  outline: 0;
}
*,
*:before,
*:after {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
a {
  text-decoration: none;
  color: inherit;
}
body {
  font: 14px/18px Gotham, "Helvetica Neue", Helvetica, Arial, sans-serif;
}
.float-left {
  float: left;
}
.float-right {
  float: right;
}
.dropdown-box {
  position: relative;
}
.dropdown-box:hover .dropdown-menu {
  display: block;
}
.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
}
.overlay-block {
  display: none;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  position: absolute;
  top: 0;
  left: 0;
  -webkit-transition: all 0.2s;
  -moz-transition: all 0.2s;
  -ms-transition: all 0.2s;
  transition: all 0.2s;
}
.position-center {
  -webkit-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  position: absolute;
  top: 50%;
  left: 50%;
}
.profile-header {
  display: block;
}
.profile-cover {
  height: 100px;
  background-color: rgba(0, 0, 0, 0.5);
}
.profile-header-content {
  padding-bottom: 15px;
  margin-top: -72px;
  position: relative;
}
.profile-header-content:after {
  content: '';
  clear: both;
  display: block;
}
.profile-user-image,
.profile-user-video {
  width: 140px;
  height: 140px;
  background-color: rgba(234, 234, 234, 0.5);
  color: #fff;
  padding: 5px;
  margin: 0 15px;
  overflow: hidden;
  position: relative;
}
.profile-user-image:hover .overlay-block,
.profile-user-video:hover .overlay-block {
  display: block;
}
.profile-user-image:active .overlay-block,
.profile-user-video:active .overlay-block {
  background: rgba(0, 0, 0, 0.95);
}
.profile-user-image img,
.profile-user-video img {
  display: block;
  width: 100%;
}
.profile-center-content {
  overflow-x: hidden;
  overflow-y: visible !important;
}
＆＃13; 
<div class="profile-header">
  <div class="profile-cover">&nbsp;</div>
  <div class="profile-header-content">
    <a class="profile-user-image float-left" href="javascript:;">
      <div class="overlay-block">
        <div class="position-center">Overlay</div>
      </div>
    </a>
    <a class="profile-user-video float-right" href="javascript:;">
      <div class="overlay-block">
        <div class="position-center">Overlay</div>
      </div>
    </a>
    <div class="profile-center-content">
      <div class="float-left">
        Lorem Ipsum
      </div>
      <div class="float-right">
        <div class="dropdown-box">
          <a href="javascript:;" class="toggle-dropdown">Dropdown Menu</a>
          <ul class="dropdown-menu">
            <li><a href="#Home">Home</a>
            </li>
            <li><a href="#About">About</a>
            </li>
            <li><a href="#Services">Services</a>
            </li>
          </ul>
        </div>
      </div>
    </div>
  </div>
</div>
＆＃13;
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1 个答案:

答案 0 :(得分：0)

当您使用position: absolute;时，该元素超出了范围。所以请将其从.dropdown-menu中移除，以使其保持在profile-center-content的范围内，并且不会被考虑在内，以便滚动。

* {
  padding: 0;
  margin: 0;
}
*:focus {
  outline: 0;
}
*,
*:before,
*:after {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
a {
  text-decoration: none;
  color: inherit;
}
body {
  font: 14px/18px Gotham, "Helvetica Neue", Helvetica, Arial, sans-serif;
}
.float-left {
  float: left;
}
.float-right {
  float: right;
}
.dropdown-box {
  position: relative;
}
.dropdown-box:hover .dropdown-menu {
  display: block;
}
.dropdown-menu {
  display: none;
}
.overlay-block {
  display: none;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  position: absolute;
  top: 0;
  left: 0;
  -webkit-transition: all 0.2s;
  -moz-transition: all 0.2s;
  -ms-transition: all 0.2s;
  transition: all 0.2s;
}
.position-center {
  -webkit-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  position: absolute;
  top: 50%;
  left: 50%;
}
.profile-header {
  display: block;
}
.profile-cover {
  height: 100px;
  background-color: rgba(0, 0, 0, 0.5);
}
.profile-header-content {
  padding-bottom: 15px;
  margin-top: -72px;
  position: relative;
}
.profile-header-content:after {
  content: '';
  clear: both;
  display: block;
}
.profile-user-image,
.profile-user-video {
  width: 140px;
  height: 140px;
  background-color: rgba(234, 234, 234, 0.5);
  color: #fff;
  padding: 5px;
  margin: 0 15px;
  overflow: hidden;
  position: relative;
}
.profile-user-image:hover .overlay-block,
.profile-user-video:hover .overlay-block {
  display: block;
}
.profile-user-image:active .overlay-block,
.profile-user-video:active .overlay-block {
  background: rgba(0, 0, 0, 0.95);
}
.profile-user-image img,
.profile-user-video img {
  display: block;
  width: 100%;
}
.profile-center-content {
  overflow-x: hidden;
  overflow-y: visible !important;
}
<div class="profile-header">
  <div class="profile-cover">&nbsp;</div>
  <div class="profile-header-content">
    <a class="profile-user-image float-left" href="javascript:;">
      <div class="overlay-block">
        <div class="position-center">Overlay</div>
      </div>
    </a>
    <a class="profile-user-video float-right" href="javascript:;">
      <div class="overlay-block">
        <div class="position-center">Overlay</div>
      </div>
    </a>
    <div class="profile-center-content">
      <div class="float-left">
        Lorem Ipsum
      </div>
      <div class="float-right">
        <div class="dropdown-box">
          <a href="javascript:;" class="toggle-dropdown">Dropdown Menu</a>
          <ul class="dropdown-menu">
            <li><a href="#Home">Home</a>
            </li>
            <li><a href="#About">About</a>
            </li>
            <li><a href="#Services">Services</a>
            </li>
          </ul>
        </div>
      </div>
    </div>
  </div>
</div>

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