body {
    margin: 0;
    font-family: Arial, sans-serif;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 10vh;
    background: #333;
    color: white;
    padding: 0 20px;
}

.logo {
    font-size: 1.5rem;
    text-decoration: none;
    color: white;
}

.nav-links {
    display: flex;
    list-style: none;
    width: 30%;
    justify-content: space-around;
}

.nav-links li {
    display: inline-block;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-size: 1.2rem;
}

.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background: white;
    margin: 5px;
}


section {
    padding: 20px;
    text-align: center;
}

.button {
    display: inline-block;
    padding: 10px 20px;
    margin: 10px 0;
    background-color: #4CAF50;
    color: white;
    text-decoration: none;
    border-radius: 5px;
  }

.button:hover {
    background-color: #45a049;
}

@media screen and (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 10vh;
        left: 0;
        background: #333;
    }

    .nav-links li {
        text-align: center;
        padding: 10px 0;
        width: 100%;
    }

    .nav-links li a {
        font-size: 1.5rem;
    }

    .burger {
        display: block;
    }
}

.nav-active {
    display: flex !important;
}