*{ 
    margin: 0;
    padding: 0;
}


img{ 
    width: 100%;
}
nav{ 
    background-color: aliceblue;
    display: grid;
    padding: 0,5rem;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.44rem;
}
#gallery{ 
    background-color: rgb(180 180 180/ .75 green, blue);
    display: grid;
    grid-template-columns: fr 1fr 1fr;
    gap: 1.44rem;
}

#gallery {
    width: 100%;
}

@media screen and (min-width: 450px){
    #gallery{ 
        grid-template-columns: 1fr 1fr;
    }
}
@media screen and (min-width: 900px){
    #gallery{ 
        grid-template-columns: 1fr 1fr 1fr;
    }
}