.footer-index-blocks{
    display: flex;
    flex-wrap: wrap;
}
.footer-index-blocks .footer-index-blocks--row{
    flex-grow: 1;
    width: 30%;
    padding: 20px 20px;
}
.footer-index-blocks .footer-index-blocks--row a{
    display: block;
    font-size: 12px;
    line-height: 1.4;
}

.footer-index-blocks .footer-index-blocks--row h3 a {
    font-size: 1em; 
    color: #222;
    font-weight: bold;
    text-decoration: none;
}

.footer-index-blocks .footer-index-blocks--row span{
    color: #4F4F4F;
    font-size: 12px;
    line-height: 1.4;
}

@media screen and (max-width: 768px) {
    .footer-index-blocks .footer-index-blocks--row{
        width: 100%;
    }
}