html - 主体中的容器与我的侧导航重叠

Question

这是我的导航代码

<style>

    /* The side navigation menu */

    .sidenav {

        height: 50%; /* 100% Full-height */

        width: 0; /* 0 width - change this with JavaScript */

        position: fixed; /* Stay in place */

        z-index: 50; /* Stay on top */

        top: 0;

        right: 0;

        background-color: #111; /* Black*/

        overflow-x: hidden; /* Disable horizontal scroll */

        padding-top: 60px; /* Place content 60px from the top */

        transition: 0.5s; /* 0.5 second transition effect to slide in the sidenav */

    }



    /* The navigation menu links */

    .sidenav a {

        padding: 8px 8px 8px 32px;

        text-decoration: none;

        font-size: 12px;

        color: #818181;

        display: block; 

        transition: 0.3s

    }



    /* When you mouse over the navigation links, change their color */

    .sidenav a:hover, .offcanvas a:focus{

        color: #f1f1f1;

        background:#3797dd;

    }



    /* Position and style the close button (top right corner) */

    .sidenav .closebtn {

     top:0;

     right:25px;

     padding: 8px 8px 8px 32px;

     text-decoration: none;

     font-size: 12px;

     color: #818181;

     display: block;

     transition: 0.3s

   /* position: absolute;

    top: 0;

    right: 25px;

    font-size: 36px;

    margin-left: 50px;*/

}
/* Style page content - use this if you want to push the page content to the right when you open the side navigation */

#main {

    transition: margin-left .5s;

    padding: 20px;

}



/* On smaller screens, where height is less than 450px, change the style of the sidenav (less padding and a smaller font size) */

@media  screen and (max-height: 450px) {

    .sidenav {padding-top: 15px;}

    .sidenav a {font-size: 18px;}

}   

</style>

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Answer 1

将此添加到您的 CSS 中:

.navbar {z-index : 99999 }