header .header {
    border-bottom: 1px solid var(--color-grey2);
    padding: 14px 20px;
    margin-left: 20px;
    margin-right: 20px;
}

    header .header nav a {
        font-size: 1rem;
        line-height: 19px;
        color: #4B4B4E;
        padding-bottom: 4px;
        border-bottom: 1px solid transparent;
        text-decoration: none;
        margin-right: 20px;
        transition: 0.5s all ease;
    }

    header .header nav a:last-child {
            margin-right: 40px;
        }

        header .header nav a:hover {
            color: #FF4500;
            border-bottom: 1px solid #FF4500;
        }