* {
    box-sizing: border-box;
    margin: 0%;
    padding: 0%;
}

img {
    width: 100px;
    padding: 0.1rem;
    border-radius: 4rem;
    margin-right: auto;

}

.header {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(90deg, #000000, #434343);
    width: 100%;
    height: 7rem;
}

nav {
    display: flex;
    align-items: center;
    width: 90%;
}

.nav-left {
    display: flex;
    flex-wrap: wrap;
    list-style-type: none;
    gap: 3rem;
}

.nav-right {
    display: flex;
    flex-wrap: wrap;
    list-style-type: none;
    gap: 2rem;
    margin-left: auto;
}

li {
    padding: 8px 20px;
    color: #ffffff;
}

.login {
    background-color: #ffffff;
    border-radius: 20px;
    color: #000000;
    transition: all 0.3s ease;
}

.signup {
    background-color: #000000;
    border-radius: 20px;
    color: #ffffff;
    transition: all 0.3s ease;
}

.signup:hover {
    background-color: #ffffff;
    color: black;
    box-shadow: 0 0 10px rgb(255, 255, 255);
}

.login:hover {
    background-color: #000000;
    color: white;
    box-shadow: 0 0 10px white;
}

li:hover {
    cursor: pointer;
}

.reference:hover {
    color: #fff;
    text-shadow: 0 0 10px #ffffff, 0 0 20px #ffffff;
    position: relative;
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

.features:hover {
    color: #fff;
    text-shadow: 0 0 10px #ffffff, 0 0 20px #ffffff;
    position: relative;
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

.about:hover {
    color: #fff;
    text-shadow: 0 0 10px #ffffff, 0 0 20px #ffffff;
    position: relative;
    transition: color 0.3s ease, text-shadow 0.3s ease;
}