header{
    width: 100%;
}
h1{
    color:red;
    text-align: center;
}
nav{
    width:100%;
    display: flex;
    justify-content: center;
    gap:20px;
}
nav a{
    color: blueviolet;
}
nav a.active{color:red}
body{
    background-image: url(../image/img1.png);
}
section{
text-align: center;
}
footer{
    font-size: 100px;
    text-align: center;
}