footer {
    position: absolute;
    bottom: 2rem;
    left: 15vw;
    text-align: center;
    margin: 0 auto;
    width: 75vw;

}

.copyright:last-child{
    margin-top: 0.5rem;
}

@media screen and (max-width: 500px) {
    footer {
        position: absolute;
        bottom: 2rem;
        left: 12vw;
        text-align: center;
        margin-bottom: 3rem;
        width: 75vw;
    
    }
    
    .copyright:last-child {
        margin-top: 0.5rem;
        
    }
}