幻灯片菜单正在推动其他元素

问题描述 投票：0回答：1

我的问题是关于当您将鼠标悬停在“打开按钮”上时滑入的菜单它将所有内容都按下，这是一个问题。它旨在打开图像，我无法弄清楚如何做到这一点。我曾经尝试过添加花车和改变位置标签之类的东西，似乎没有任何效果。这是我的代码：

html,
body {
    width: 100%;
    height: 100%;
    margin: 0px;
    padding: 0px;
    overflow-x: hidden;
}

#Bar {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    height: 64px;
    background-color: #592881
}

#logo {
    position: relative;
    top: -40px;
    text-align: center;
    left: 0;
    right: 0;
    z-index: 1;
}

.sidenav {
    height: 100%;
    width: 0;
    position: fixed;
    z-index: 1;
    top: 100px;
    left: 0;
    background: rgba(89, 40, 129, .7);
    overflow-x: hidden;
    transition: 0.5s;
    padding-top: 60px;
    text-align: center;
}

.sidenav a {
    padding: 8px 8px 8px 32px;
    text-decoration: none;
    font-size: 25px;
    color: black;
    display: block;
    transition: 0.3s;
    position: static;
}

.sidenav a:hover {
    color: grey;
}

.sidenav .closebtn {
    position: absolute;
    top: 0;
    right: 25px;
    font-size: 36px;
    margin-left: 50px;
}

@media screen and (max-height: 450px) {
    .sidenav {
        padding-top: 15px;
    }
    .sidenav a {
        font-size: 18px;
    }
}

.fade {
    -webkit-animation-name: fade;
    -webkit-animation-duration: 3s;
    animation-name: fade;
    animation-duration: 3s;
}

@-webkit-keyframes fade {
    from {
        opacity: .4
    }
    to {
        opacity: 1
    }
}

@keyframes fade {
    from {
        opacity: .4
    }
    to {
        opacity: 1
    }
}

.container {
    position: relative;
    text-align: center;
}

.slides {
    position: relative;
    height: 100%;
    vertical-align: middle;
    margin-left: auto;
    margin-right: auto;
}

.mySlides {
    display: block;
    left: 0;
    right: 0;
    max-width: 100%;
    max-height: auto;
    vertical-align: middle;
    position: relative;
    margin-left: auto;
    margin-right: auto;
}

.prev,
.next {
    cursor: pointer;
    position: relative;
    width: auto;
    padding: 16px;
    margin-top: -22px;
    color: white;
    font-weight: bold;
    font-size: 18px;
    transition: 0.6s ease;
    border-radius: 0 3px 3px 0;
}

.next {
    float: right;
    top: -500px;
    border-radius: 3px 0 0 3px;
}

.prev {
    left: 0px;
    top: -500px;
    border-radius: 3px 0 0 3px;
}


.prev:hover,
.next:hover {
    background-color: rgba(0, 0, 0, 0.8);
}

.footer {
    position: relative;
    background-color: #F1F1F1;
    color: #A8A8A8;
    font-size: 18px;
    padding-left: 400px;
}

.overlay {
    float: left;
    height: 70%;
    width: 0;
    position: relative;
    z-index: 1;
    top: 0;
    left: 0;
    background-color: rgb(0, 0, 0);
    background-color: rgba(0, 0, 0, 0.8);
    overflow-x: hidden;
    transition: .5s;
}

.overlay-content {
    position: relative;
    top: 25%;
    width: 100%;
    text-align: center;
    margin-top: 30px;
    padding-bottom: 30px;
}

.overlay a {
    padding: 8px;
    text-decoration: none;
    font-size: 36px;
    color: #818181;
    display: block;
    transition: 0.3s;
}

.overlay a:hover,
.overlay a:focus {
    color: #f1f1f1;
}

.overlay .closebtn {
    position: absolute;
    top: 20px;
    right: 45px;
    font-size: 60px;
}

@media screen and (max-height: 300px) {
    .overlay a {
        font-size: 20px
    }
    .overlay .closebtn {
        font-size: 40px;
        top: 15px;
        right: 35px;
    }
}

.buttonContainer {
    height: 3em;
    width: 100%;
    background-color: #ffffff;
}
<!DOCTYPE html>
<html>

<head>
    <title>Masters of Engineering</title>
    <link rel="stylesheet" type="text/css" href="C:\Users\Zach\Desktop\Coding\Robotics Site\css\Main.css">
    <link rel="icon" href="img/Corner Logo.ico">
    <meta charset="utf-8">
</head>

<body>
    <div id="Bar"></div>
    <div id="logo">
        <img src="https://www.mastersny.org/uploaded/template/default/images/common/logo.png">
    </div>
    <script>
    function openNav() {
        document.getElementById("myNav").style.width = "100%";
    }

    function closeNav() {
        document.getElementById("myNav").style.width = "0%";
    }
    </script>
    <div class="buttonContainer">
        <span style="margin-left:10%;font-size:30px;cursor:pointer; display: inline-block;" onmouseenter="openNav()" onmouseleave="closeNav()">&#9776;open</span>
        <span style="margin-left:10%;font-size:30px;cursor:pointer; position:relative; display:inline-block;" onmouseover="openNav();" onmouseout="closeNav();">&#9776;open</span>
    </div>
    <div id="myNav" class="overlay" onmouseleave="closeNav()" onmouseenter="openNav()">
        <div class="overlay-content">
            <a href="#">about</a>
            <a href="#">Services</a>
            <a href="#">Clients</a>
            <a href="#">Contact</a>
        </div>
    </div>
    <div id="myNav" class="overlay" onmouseleave="closeNav()" onmouseenter="openNav()">
        <div class="overlay-content">
            <a href="#">About</a>
            <a href="#">Services</a>
            <a href="#">Clients</a>
            <a href="#">Contact</a>
        </div>
    </div>
    <div class='slideshow'>
        <div class="slides">
            <img class="mySlides fade" src="https://wallpaperbrowse.com/media/images/3848765-wallpaper-images-download.jpg" height="auto" width="auto">
            <img class="mySlides fade" src="https://avante.biz/wp-content/uploads/Wallpaper-Images/Wallpaper-Images-005.jpg" height=auto width=auto>
            <img class="mySlides fade" src='https://svs.gsfc.nasa.gov/vis/a010000/a012000/a012005/Swift_Tidal_Disruption_2_Still.jpg' height="auto" width="auto">
        </div>
        <div class='buttons'>
            <a class="prev" onclick="plusDivs(-1); 
            clearInterval(myTimer); 
            myTimer = setInterval(carousel, 3500);">&#10094;
            </a>
            <a class="next" onclick="plusDivs(1); 
            clearInterval(myTimer);
            myTimer = setInterval(carousel, 3500);">&#10095;
            </a>
        </div>
    </div>
    <script>
    var myIndex = 0;
    var myTimer = setInterval(carousel, 3500);
    carousel();

    function carousel() {
        var i;
        var x = document.getElementsByClassName("mySlides");
        for (i = 0; i < x.length; i++) {
            x[i].style.display = "none";
        }

        myIndex++;
        if (myIndex > x.length) { myIndex = 1 }
        x[myIndex - 1].style.display = "block ";
    }
    myTimer; //change image every 3.5 seconds
    </script>
    <script>
    var slideIndex = 1;
    showDivs(slideIndex);

    function plusDivs(n) {
        showDivs(slideIndex += n);
    }

    function showDivs(n) {
        var i;
        var x = document.getElementsByClassName("mySlides");
        if (n > x.length) { slideIndex = 1 }
        if (n < 1) { slideIndex = x.length }
        for (i = 0; i < x.length; i++) {
            x[i].style.display = "none";
        }
        x[slideIndex - 1].style.display = "block ";
    }
    </script>
    </div>
    <div class='footer'>
        <img src='http://www.mastersny.org/uploaded/template/default/images/common/bottom-logo.png'>
        <p>49 Clinton Avenue</p>
        <p>Dobbs Ferry, NY 10522</p>
        <p>(914) 479-6400</p>
    </div>
</body>

谢谢您的帮助！

html css drop-down-menu css-position overlay
1个回答
1
投票

在.overlay造型使用position:fixed而不是position:relative。

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