div.stopka {border-top:1px solid #3b4554;background-color:#20252e;color:#fff;}
div.stopka>*{display:flex;padding:25px 0;gap:20px;max-width:1642px;margin:0 auto;}
div.stopka * {flex:1 1 0;}
div.stopka *.c {text-align:center;}
div.stopka *.r {text-align:right;}
div.stopka a {text-decoration:none;color:#fff;}
div.stopka a:hover {color:#674197;}

@media screen and (max-width:768px){
    div.stopka {display:block;text-align:center;padding:20px 10px;}
    div.stopka>*.c,
    div.stopka>*.r {text-align:center;}
    div.stopka>*+* {margin-left:0;margin-top:10px;}
}