H1{
                color:red;
            }
            .produto{
            background-color: rgb(245, 243, 243);
            width: 22%;
            align-items: center;
            text-align: center;
            margin: 18px;
            padding: 12px;
            border: double gray;
            border-radius:30px;

            }
            .produto img{
                width: 17vw;
            }
            .grupo{
                display:flex;
                float:left;
                align-items: center;
                justify-content: center;
                
            }
nav{
background-color: black;
height: 4vw;
top:0;
display:flex;
align-items: center;
text-align: center;
justify-content:space-around;
}
nav a{
    font-size: 18px;
    color:bisque;
    text-decoration: none;
    text-transform: uppercase;
}