    *,
     ::before,
     ::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    
    
    nav {
        z-index: 1;
        font-size: 17px;
        color: black;
        top: 0%;
        position: fixed;
        width: 100%;
        display: flex;
        align-items: center;
        padding: 15px 25px;
        background: #c5c5c6;
        box-shadow: inset 0px -1px 0px #c5c5c6;
    }
    
    .nav-icon {
        display: flex;
        align-items: center;
        text-decoration: none;
        margin-right: 20px;
    }
    
    .nav-icon span {
        font-family: Roboto Flex, sans-serif;
        font-size: 25px;
        margin-left: 10px;
        font-weight: 400;
        color: #333;
    }
    
    .nav-icon img {
        width: 40px;
        transform: rotate(-17deg) translateX(5px);
    }
    
    .main-navlinks {
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif; 
    }

    .hamburger {
        display: none;
    }
    
    .navlinks-container a {
        margin: 0 10px;
        font-size: 16px;
        font-weight: 500;
        text-decoration: none;
        color: #414141;
        display: inline-block;
        position: relative;
    }
    
    .navlinks-container a::after {
        content: "";
        display: block;
        position: absolute;
        bottom: -3px;
        width: 100%;
        height: 1px;
        transform: scaleX(0);
        transform-origin: left;
        background: #333;
        transition: transform 0.3s ease-out;
    }
    
    .navlinks-container a:hover::after {
        transform: scaleX(1)
    }
    
    .nav-authentication {
        margin-left: auto;
    }
    
    .sign-btns a {
        font-family: Roboto Flex, sans-serif;
        padding: 10px 10px;
        margin: 0 5px;
        border-radius: 5px;
        color: black;
        background: white;
        color: #333333;
    }

    .sign-btns a:hover
      {
      box-shadow: 0 6px 6px 0 rgba(255, 255, 255, 0.26),
                  0 10px 20px 0 rgba(255, 255, 255, 0.19);
      }


    
    .sign-user {
        display: none;
    }
    
    @media (max-width: 1000px) {
        nav {
            padding: 15px 20px;
            position: relative;
        }
        .nav-icon {
            order: 2;
            margin: 0 auto;
        }
        .nav-icon span {
            font-size: 22px;
        }
        .main-navlinks {
            order: 1;
        }
        /* Hamburger */
        .hamburger {
            width: 20px;
            height: 20px;
            cursor: pointer;
            border: none;
            display: flex;
            background: #fafafa;
            align-items: center;
            position: relative;
        }
        .hamburger span {
            display: block;
            width: 100%;
            height: 2px;
            background: #333;
            position: absolute;
            pointer-events: none;
            transition: opacity 0.3s 0.15s ease-out;
        }
        .hamburger span:nth-child(1),
        .hamburger span:nth-child(3) {
            transition: transform 0.3s ease-out;
        }
        .hamburger span:nth-child(1) {
            transform: translateY(7px);
        }
        .hamburger span:nth-child(3) {
            transform: translateY(-7px);
        }
        .hamburger.open span:nth-child(1) {
            transform: translate(0) rotate(135deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
            transition: opacity 0s ease-out;
        }
        .hamburger.open span:nth-child(3) {
            transform: translate(0) rotate(-135deg);
        }
        .navlinks-container {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            position: absolute;
            background: #fafafa;
            top: 100%;
            left: 0;
            height: 100vh;
            padding: 15px 50px 15px 20px;
            border-right: 1px solid #c5c5c6;
            transform: translate(-100%);
        }
        .open {
            transform: translate(0%);
        }
        .navlinks-container a {
            font-size: 18px;
            margin: 10px 0
        }
        .nav-authentication {
            order: 3;
            margin-left: 0;
        }
        .sign-btns {
            display: none;
        }
        .sign-user {
            display: block;
            cursor: pointer;
            border: none;
        }
        .sign-user img {
            width: 20px;
        }
    }
    
    
   
    @media (max-width: 500px) {
        .nav-icon img {
            width: 30px;
        }
        .nav-icon span {
            font-size: 20px;
        }
    }