css列表多列多行同行等高样式

<ul>
        <li>车我li>
        <li>车我华服日UC金额我我何润锋v车我华服日UC金额我我何润锋v车我华服日UC金额我我何润锋v车我华服日UC金额我我何润锋vli>
        <li>车我华服日UC金额我我何润锋v车我华服日UC金额我我何润锋v车我华服日UC金额我我何润锋v车我华服日UC金额我我何润锋v车我华服日UC金额我我何润锋v车我华服日UC金额我我何润锋v车我华服日UC金额我我何润锋v车我华服日UC金额我我何润车我华服日UC金额我我何润锋v车我华服日UC金额我我何润锋v车我华服日UC金额我我何润锋v车我华服日UC金额我我何润li>
        <li>车我华服日UC金额我我何润锋v车我华服日UC金额我我何润锋v车我华服日UC金额我我何润锋v车我华服日UC金额我我何润锋vli>
        <li>车我华服日UC金额我我何润锋v车我华服日UC金额我我何润锋v车我华服日UC金额我我何润锋v车我华服日UC金额我我何润车我华服日UC金额我我何润锋v车我华服日UC金额我我何润锋v车我华服日UC金额我我何润锋v车我华服日UC金额我我何润车我华服日UC金额我我何润锋v车我华服日UC金额我我何润锋v车我华服日UC金额我我何润锋v车我华服日UC金额我我何润车我华服日UC金额我我何润锋v车我华服日UC金额我我何润锋v车我华服日UC金额我我何润锋v车我华服日UC金额我我何润车我华服日UC金额我我何润锋v车我华服日UC金额我我何润锋v车我华服日UC金额我我何润锋v车我华服日UC金额我我何润li>
        <li>车我华服日UC金额我我何润锋v车我华服日UC金额我我何润锋v车我华服日UC金额我我何润锋v车我华服日UC金额我我何润车我华服日UC金额我我何润锋v车li>
      ul>

ul{
      display: flex;
      flex-wrap: wrap;
    }
    li{
      float: left;
      width: 50%;
      background: #ff0;
      border: 1px solid #000;
      box-sizing: border-box;
    }