.footer {
    background: black;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
}
a.stopka-text {
/*font-family: 'Roboto', sans-serif;*/
color: white;
font-size: 0.8rem;
width: 50%;
text-decoration: none;
}
a.stopka {
color: white;
font-size: 0.8rem;
display: block;
/*text-align: center;*/
text-decoration: none;
letter-spacing: 0.5px;
}

@media(max-width: 500px) {
    .footer {
        padding: 15px;
    }
    a.stopka {
        font-size: 0.7rem;
    }
}