如何使导航栏与页面的其余部分重叠？

debugcn 发表于 Dev

用户名

我希望导航栏固定并在向下滚动时保持在页面其余部分的上方，但是每当我添加“ position：fixed;”时，在CSS页面上的功能消失了。

这是JS和Css中导航栏的代码...

import Logo from '../../Images/mmt-white.png';
import './Navbar.css';

const Navbar = props => (

    <header className="Navbar">
        <nav className="Navbar__navigation">
            <div></div>
            <div className='Navbar__logo'><img src={Logo}/></div>
            <div className='spacer '/>
            <div className="Navbar_navigation-items">
                <ul>
                    <li><a  href="/">Home</a></li>
                    <li><a  href="/">Servicos</a></li>
                    <li><a  href="/">Depoimentos</a></li>
                    <li><a  href="/">Começando</a></li>
                    <li><a  href="/">Contacte-nos</a></li>    
                </ul>

            </div>
            <div className="Navbar_navigation_items_acessar">
                <ul>
                    <li><a href="/">Acessar</a></li>
                </ul>

            </div>
            
        </nav>
       
    </header>

);

export default Navbar;

这是我的app.js，我在其中导入所有页面和顶部的导航栏...

import Navbar from './components/NavBar/Navbar';
import Home from "./components/pages/HomePage/Home";
import Comecando from "./components/pages/Comecando/Comecando";
import Depoimentos from "./components/pages/Depoimentos/Depoimentos";
import Sac from "./components/pages/SAC/Sac";
import Servicos from "./components/pages/Servicos/Servicos";
import './App.css';


function App () {
    return(



      <div className='App'>
        <div>
         <Navbar/>
         </div>
         <Home/>
        <Servicos/>
        <Comecando/>
        <Depoimentos/>
        <Sac/>
      </div>
    );
  }

export default App;

这是CSS

.NavbarItems {
  background: linear-gradient(90deg,rgb(49,56,64)0%,rgba(49, 56, 64, 1) 100%);
  height: 10vh;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1,2rem;
  left: 0;
  position: fixed;
  top: 0;
  z-index: 1; 
  position: relative;

}
.sticky {
  position: fixed;
  top: 0;
  width: 100%;
}

.navbar-logo{
  position: absolute;
  top: 0;
  left: 0;
  transform: translate(15%, 10%);

}

.fa-react{
  margin-left: 0.5rem;
  font-size: 1,6rem;

}


.nav-menu {
  display: grid;
  grid-template-columns: repeat(6, auto);
  grid-gap: 10px;
  transform: translate(8%, 0%);
  list-style: none;
  margin-left: 10vh;
  text-align: center;
  width: 80vw;
  justify-content: end;
  padding-left: 10vh;
  margin-right: 1rem;
  font-size: 10px;
}

.nav-links {
  color:#edf0f1;
  margin-top: 2rem;
  padding-right: 2rem;
  padding: 0;
  text-decoration: none;
  font-size: 22px;
  font-family: monospace;
  text-transform: uppercase;

}

.nav-links:hover{
  border-radius: 4px;
  transition: all 0.2s ease0;
  color: #0088a9;
  
  
}

.fa-bars{
  color: #ffffff;

}


button{
  margin-left: 10vh;
  right: 0;
  padding: 9px 25px;
  background-color: rgba(0, 136, 169, 1);
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease 0s;
  font-family: "Montserrat", sans-serif;
  font-weight: 500;
  color: #edf0f1;
  font-size: 17px;
  text-decoration: none;
}
.menu-icon{
  display: none;
}

.nav-links-mobile{
  color: transparent;
}

罗斯·谢泼德

您可能想NavBar在NavBar.css文件中的类中添加以下内容，以添加位置属性，如下所示：

left: 0;
position: fixed;
top: 0;
z-index: 1; // increase this value if you have other elements at varying levels of elevation

或者，您可能希望NavBar在NavBar.css文件中的类中添加以下内容，而不是添加position: fixed（取决于您要查找的行为）：

position: sticky;
top: 0; // vertical position you'd like the element to stick to
z-index: 1; // increase this value if you have other elements at varying levels of elevation

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