body{
    margin: 0;
    padding:   50px 70px;
    font-family: sans-serif;
    background-image: url(IndexPic2.jpg);
    background-size: cover;
    background-color: black;
    font-family: "Times New Roman", Times, serif;
}

header
{
    float: right;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 40px 100px;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: 0.5s;
}

header.sticky
{
    background: #fff;
    padding: 20px 100px;
    box-shadow: 0 5px 20px rgba( 0, 0, 0, 0.1);
}

header .logo 
{
    color: black;
    font-size: 24px;
    text-transform: uppercase;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 2px;
}

header.sticky .logo
{
    color: #111;
}

header ul
{
    float: right;
    display: flex;
}

header ul li 
{
    position: relative;
    list-style: none;
}

header ul li a 
{
    position: relative;
    display: inline-block;
    font-size: 24px;
    font-weight: 700;
    margin: 0 15px;
    color: black;
    text-decoration: none;
}

header.sticky ul li a
{
    color: #111;
}