Content move down when I apply float property

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北恋
北恋 2021-01-25 21:28

I have to float the class time to right but when I try to float it right, its content moves down. Without float contents look fine but I have to float it.

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3条回答
  •  -上瘾入骨i
    2021-01-25 22:09

    Add overflow: hidden to the ul element:

    .main-nav ul {
      margin-bottom: 7px !important;
      overflow: hidden;
    }
    

    .main-nav {
      color: #FFF;
      width: 100%;
      background-color: #5e2d91;
      float: right;
      line-height: 42px;
      margin-top: -3px;
    }
    .main-nav ul li {
      display: inline;
      padding: 0px 10px;
    }
    .main-nav ul li a {
      color: #FFF;
      text-decoration: none;
      padding: 20px 14px;
    }
    .main-nav ul {
      margin-bottom: 7px !important;
      overflow: hidden;
    }
    .main-nav ul li a:hover {
      background-color: #0098aa;
    }
    .main-nav ul li a:active {
      background-color: #6A006A;
    }
    .time {
      background: #5e2d91;
      color: #FFFFFF;
      border-color: #718b88;
      font-family: sans-serif;
      font-weight: bold;
      border-style: solid;
      margin-left: 10%;
      width: 228px;
      height: 33px;
      margin-top: 9px;
      float: right;
    }

    When using floating container, always remember to clear the floats- see this answer for more information.

    Note that while using floating containers, you should always clear them before the next container that follows thereby creating a fresh block formatting context as it is called. Otherwise you will see unpredictable behavior.

    Instead of overflow: hidden you can also clear the float by using:

    .main-nav ul:after {
        content: '';
        display: block;
        clear: both;
    }
    

    .main-nav {
      color: #FFF;
      width: 100%;
      background-color: #5e2d91;
      float: right;
      line-height: 42px;
      margin-top: -3px;
    }
    .main-nav ul li {
      display: inline;
      padding: 0px 10px;
    }
    .main-nav ul li a {
      color: #FFF;
      text-decoration: none;
      padding: 20px 14px;
    }
    .main-nav ul {
      margin-bottom: 7px !important;
    }
    .main-nav ul:after {
      content: '';
      display: block;
      clear: both;
    }
    .main-nav ul li a:hover {
      background-color: #0098aa;
    }
    .main-nav ul li a:active {
      background-color: #6A006A;
    }
    .time {
      background: #5e2d91;
      color: #FFFFFF;
      border-color: #718b88;
      font-family: sans-serif;
      font-weight: bold;
      border-style: solid;
      margin-left: 10%;
      width: 228px;
      height: 33px;
      margin-top: 9px;
      float: right;
    }

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