body {
    margin: 0;
}
header,nav,footer {
    max-width: 100%;
    margin-inline: auto;
    padding: 1rem;
    background-color: blue;
    color: white;
    text-align: center;
}
nav {
    display: flex;
    justify-content: center;
    gap: 10px;
}
a {
    color: white;
}
div {
    background-color: gray;
}
h2 {
    margin-top: 0;
    text-align: center;
}
main {
    text-align: center;
}
img {
    margin-inline: auto;
    width: 300px;
    height: 300px;
    object-fit: cover;
}
footer {
  text-align: center;
}

@media screen and (min-width: 700px) {
    main{
        display: grid;
        grid-template-columns: 1fr 1fr;
    }
    .menu-btn{
        display: none;
    }
    nav a {
        display: inline;
    }
    nav {
        text-align: right;
    }

}

@media screen and (min-width: 1000px) {
    main{
        grid-template-columns: 1fr 1fr 1fr;
    }
}


/*border: 1px solid #ccc;*\