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Question

Hi I am trying to design an Header with Mega Menu using HTML and custom CSS. I tried to set mega menu to full width by applying width:100% to it but doesn’t work.

This is my HTML code

<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>IT Company</title>
    <link href="https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&display=swap" rel="stylesheet">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/remixicon/4.2.0/remixicon.css" referrerpolicy="no-referrer" />
    <link rel="stylesheet" href="style/header.css">
</head>
<body>
    <header class="container">
        <nav class="navbar" id="navbar">
            <div class="navbar-container">
                <div class="menu-icon" id="menu-icon">
                    <button class="menu" onclick="toggleDrawer()" aria-label="Main Menu">
                        <svg width="40" height="40" viewBox="0 0 100 100">
                            <path class="line line1"
                                d="M 20,29.000046 H 80.000231 C 80.000231,29.000046 94.498839,28.817352 94.532987,66.711331 94.543142,77.980673 90.966081,81.670246 85.259173,81.668997 79.552261,81.667751 75.000211,74.999942 75.000211,74.999942 L 25.000021,25.000058" />
                            <path class="line line2" d="M 20,50 H 80" />
                            <path class="line line3"
                                d="M 20,70.999954 H 80.000231 C 80.000231,70.999954 94.498839,71.182648 94.532987,33.288669 94.543142,22.019327 90.966081,18.329754 85.259173,18.331003 79.552261,18.332249 75.000211,25.000058 75.000211,25.000058 L 25.000021,74.999942" />
                        </svg>
                    </button>
                </div>
                <div class="logo">
                    <img src="solvejet.svg" alt="IT Company Logo">
                </div>
                <div class="contact-icon">
                    <a href="#" class="contact-button">
                        <i class="ri-send-plane-fill"></i>
                    </a>
                </div>
            </div>
            <ul class="nav-menu">
                <li class="nav-item">
                    <a href="#" class="nav-link">About</a>
                </li>
                <li class="nav-item dropdown">
                    <a href="#" class="nav-link">Services</a>
                    <div class="mega-menu">
                        <div class="mega-menu-content">
                            <div class="mega-menu-section">
                                <h3>Web Development</h3>
                                <ul>
                                    <li><a href="#">Front-end</a></li>
                                    <li><a href="#">Back-end</a></li>
                                    <li><a href="#">Full-stack</a></li>
                                </ul>
                            </div>
                            <div class="mega-menu-section">
                                <h3>Mobile Development</h3>
                                <ul>
                                    <li><a href="#">iOS</a></li>
                                    <li><a href="#">Android</a></li>
                                    <li><a href="#">Cross-platform</a></li>
                                </ul>
                            </div>
                            <div class="mega-menu-section">
                                <h3>Cloud Services</h3>
                                <ul>
                                    <li><a href="#">AWS</a></li>
                                    <li><a href="#">Azure</a></li>
                                    <li><a href="#">Google Cloud</a></li>
                                </ul>
                            </div>
                        </div>
                    </div>
                </li>
                <li class="nav-item">
                    <a href="#" class="nav-link">Technology</a>
                </li>
                <li class="nav-item">
                    <a href="#" class="nav-link">Hire</a>
                </li>
                <li class="nav-item">
                    <a href="#" class="nav-link">Work</a>
                </li>
                <li class="nav-item">
                    <a href="#" class="nav-link">Contact</a>
                </li>
            </ul>
            <a href="#" class="cta-button">Let's Talk</a>
        </nav>
    </header>
    
    <div class="drawer" id="drawer">
        <div class="drawer-content">
            <ul>
                <li><a href="#" class="drawer-menu">About</a></li>
                <li><a href="#" class="drawer-menu">Services</a></li>
                <li><a href="#" class="drawer-menu">Industries</a></li>
                <li><a href="#" class="drawer-menu">Technology</a></li>
                <li><a href="#" class="drawer-menu">Hire</a></li>
                <li><a href="#" class="drawer-menu">Work</a></li>
            </ul>
            <a href="/contact-us" class="drawer-cta-button">Let's Talk</a>
        </div>
    </div>    
    <script src="js/header.js"></script>
</body>
</html>

and this is my CSS

body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    -webkit-tap-highlight-color: transparent;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.container {
    max-width: auto;
    margin: 0 auto;
}

header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.navbar-container {
    padding-left: 2%;
    align-items: center;
    width: min-content;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    padding: 1rem 2rem;
    background: transparent;
    transition: background 0.3s ease;
    height: 80px;
}

.navbar.scrolled {
    background: rgba(255, 254, 254, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.logo img {
    height: 60px;
}

.nav-menu {
    position: relative;
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    flex: 1;
    justify-content: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    font-weight: 600;
    color: #252B33;
    text-decoration: none;
    padding: 0.75rem 1.2rem;
    display: block;
    text-align: center;
    min-width: 70px;
    transition: background 0.3s ease, color 0.3s ease;
    font-size: 1.05em;
}

.nav-link:hover,
.nav-link:focus {
    color: #0263E0;
}

.menu-icon {
    display: block;
    cursor: pointer;
    font-size: 24px;
    transition: transform 0.3s ease;
}

.mega-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    background-color: #fff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);

}

.nav-item:hover .mega-menu {
    display: block;
    animation: cardDrop 0.5s forwards;
}

.dropdown:hover .mega-menu {
    display: block;
}

.mega-menu-content {
    display: flex;
    justify-content: space-around;
    padding: 20px;
}

.mega-menu-section {
    flex: 1;
    padding: 20px;
}

.mega-menu-section h3 {
    margin-top: 0;
}

.mega-menu-section ul {
    list-style: none;
    padding: 0;
}

.mega-menu-section li {
    margin: 0.5rem 0;
}

.mega-menu-section a {
    color: #333;
    text-decoration: none;
}

.cta-button {
    background: #0263E0;
    color: #fff;
    padding: 1.05rem 2.0rem;
    border-radius: 10px;
    line-height: 14px;
    text-decoration: none;
    margin-left: 1rem;
    transition: background 0.3s ease;
    box-shadow: 0 20px 40px rgba(2, 99, 224, .15);
}

.cta-button:hover,
.cta-button:focus {
    background: #202c4a;
}

.drawer {
    position: fixed;
    top: 90px;
    left: -100%;
    width: 100%;
    height: calc(100% - 80px);
    background: rgba(255, 254, 254, 0.4);
    color: #252B33;
    z-index: 1001;
    transition: left 0.3s ease;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.drawer.open {
    left: 0;
}

.drawer-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 90%;
}

.drawer-content ul {
    list-style: none;
    padding: 0;
}

.contact-button {
    text-decoration: none;
    color: #0263E0;
}

.contact-icon {
    display: none;
    cursor: pointer;
    font-size: 24px;
    transition: transform 0.3s ease;
}

.drawer-content li {
    margin: 1rem 0;
}

.drawer-content .drawer-menu {
    font-size: 32px;
    color: #252B33;
    text-decoration: none;
    font-weight: 600;
    text-align: left;
    align-items: left;
    line-height: normal;
    padding: 8px 15px;
}

.drawer-content .drawer-menu:hover,
.drawer-content .drawer-menu:focus {
    color: #ddd;
}

.drawer-cta-button {
    background: #0263E0;
    color: #fff;
    padding: 1.05rem 2.0rem;
    border-radius: 10px;
    line-height: 20px;
    text-decoration: none;
    transition: background 0.3s ease;
    text-align: center;
    margin-top: auto;
    /* Push the button to the bottom */

}

.drawer-cta-button:hover,
.drawer-cta-button:focus {
    background: #202c4a;
}


.menu {
    margin-right: 20px;
    background-color: transparent;
    border: none;
    cursor: pointer;
    display: none;
    padding: 0;
}

.line {
    fill: none;
    stroke: black;
    stroke-width: 6;
    transition: stroke-dasharray 600ms cubic-bezier(0.4, 0, 0.2, 1),
        stroke-dashoffset 600ms cubic-bezier(0.4, 0, 0.2, 1);
}

.line1 {
    stroke-dasharray: 60 207;
    stroke-width: 6;
}

.line2 {
    stroke-dasharray: 60 60;
    stroke-width: 6;
}

.line3 {
    stroke-dasharray: 60 207;
    stroke-width: 6;
}

.opened .line1 {
    stroke-dasharray: 90 207;
    stroke-dashoffset: -134;
    stroke-width: 6;
}

.opened .line2 {
    stroke-dasharray: 1 60;
    stroke-dashoffset: -30;
    stroke-width: 6;
}

.opened .line3 {
    stroke-dasharray: 90 207;
    stroke-dashoffset: -134;
    stroke-width: 6;
}

@media (max-width: 768px) {
    .navbar {
        margin-top: 10px;
    }

    .nav-menu {
        display: none;
    }

    .menu-icon {
        display: block;
    }

    .cta-button {
        display: none;
    }

    .menu {
        display: flex;
    }

    .menu-icon,
    .contact-icon {
        display: block;
    }

    .navbar-container {
        display: flex;
        width: 100%;
        justify-content: space-evenly;
    }

    .contact-icon {
        display: block;
        margin-left: auto;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .navbar {
        margin-top: 10px;
    }

    .nav-menu {
        display: none;
    }

    .menu-icon {
        display: block;
    }

    .cta-button {
        display: none;
    }

    .menu {
        display: flex;
    }

    .menu-icon,
    .contact-icon {
        display: block;
    }

    .navbar-container {
        display: flex;
        width: 100%;
        justify-content: space-evenly;
    }

    .contact-icon {
        display: block;
        margin-left: auto;
    }

    .mega-menu {
        left: 100%;
    }

    .mega-menu::before {
        left: 40%;
    }
    .drawer-content .drawer-menu {
        font-size: 48px;
        font-weight: 800;
    }
    .drawer-content
    {
        align-items: center;
    }
    .drawer-cta-button
    {
        width: 80%;
    }
}

@keyframes cardDrop {
    0% {
        opacity: 0;
        transform: translateY(-20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

I tried to give .mega-menu width:100% but it doesn’t cover full width. I tried width:1920px I still doesn’t shift to full width, Is there any other way to do it?

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Danh mục

Full Width Mega Menu not working when I add width:100%