Question

我在css中给了float：left属性。但它没有得到应用。这导致我的完整布局出现问题。为什么浮子没有被应用？任何人都可以解释一下。我怎样才能解决这个问题？谢谢。

function openNav() {
        document.getElementsByClassName('sidenav')[0].style.width =  '20vw';
        document.getElementsByClassName('sidenav-fix-closebtn')[0].style.visibility = 'visible';
        document.getElementsByClassName('sidenav-fix-open-btn')[0].style.visibility = 'hidden';
    }

    function closeNav() {
        document.getElementsByClassName('sidenav')[0].style.width = 0
        document.getElementsByClassName('sidenav-fix-closebtn')[0].style.visibility = 'hidden';
        document.getElementsByClassName('sidenav-fix-open-btn')[0].style.visibility = 'visible';
    }

.sidenav-fix {
    float: left !important;    
    background-color: #EAEAEA;
    height: 100%;
    position: fixed;
    z-index: 1;
    top: 0;
    overflow-x: hidden;
    transition: 0.5s;
    min-width: 50px;
    display: block;
}

.sidenav-fix span {
    font-size: 40px;
    cursor: pointer;
    text-align: center;
}

.sidenav-fix-open-btn {
    text-align: center;
}

.sidenav-fix-text {
    opacity: 1;
    transform: translateY(50vh) rotate(-90deg);
    white-space: nowrap;
}

.sidenav-fix-close-box {
    font-size: 36px;
    text-align: center;
    position: fixed;
    bottom: 0;
}

.sidenav-fix-closebtn {
    color: #818181;
    text-decoration: none;
    visibility: hidden;
}

.sidenav {
    height: 100%;
    z-index: 1;
    top: 0;
    width: 0;
    background-color: #EAEAEA;
    overflow-x: hidden;
    transition: 0.5s;
    padding-top: 30vh;
    float: left;
    
}

.sidenav a {
    padding: 8px 8px 8px 32px;
    text-decoration: none;
    font-size: 25px;
    color: #818181;
    display: block;
    transition: 0.3s;
}

.sidenav a:hover {
    color: #000000;
    transition: 0.5s;
}

<body>
    <div class="">
        <div class="sidenav-fix ">
            <div class="sidenav-fix-open-btn">
                <span onclick="openNav()">&#9776; </span>
            </div>
            <p class="sidenav-fix-text">ABCD</p>
            <div class="sidenav-fix-close-box">
                <a href="javascript:void(0)" class="sidenav-fix-closebtn" onclick="closeNav()">&times;</a>
            </div>
        </div>

        <div class="sidenav">
            <a href="#">HOME</a>
            <a href="#">PROJECTS</a>
            <a href="#">PEOPLE</a>
            <a href="#">CONTACT</a>
        </div>
        
    </div>
    </body>

而不是消极投票，请纠正我的错误。如果需要，我会删除这个问题。至少请对否定投票发表评论。

Answer 1

您有position:fixed和top:0 - 这会覆盖float属性;

给定和计算的CSS对于float属性是不同的

1 个答案: