*{
    scroll-behavior: smooth;
}
nav{
    background-color: #D2FFFE ;
    text-align: center;
    padding: 10px;
    position: fixed;
    top: 0;
    right:0;
    left: 0;
    word-spacing: 35px;
}


nav :hover{
color: red;
}

header a{
    color: black;
}

a:link{
   transition: color 0.5s; 
}