interstellar_ai/app/styles/header.css

header{
    position: absolute;
    padding: 0 20px;
    top: 0;
    left: 0;
    width: 100%;
    height: 10vh;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.hamburger{
    display: none;
}

.login-button button{
    padding: 10px 20px;
    background-color: var(--input-button-color);
    color: var(--text-color);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.login-button button:hover {
    background-color: var(--input-button-hover-color);
}