.footer{
    /* background: var(--color3); */
    width: 100%;
    display: inline-block;
}
.footer .related-links h4{
    font-size: 1.5em;
    margin: 1em;
}
.footer .related-links a{
    display: inline-block;
    flex-wrap: wrap;
    margin-left: 4em;
    padding: 0.3em 0;
    color: #000;
    justify-content: center;
}
.footer .related-links a img{
    transition: 1s;
}
.footer .related-links a:hover img{
    transition: 1s;
    transform: rotate3d(0.1,1,0, 360deg);
}
.footer .container-personal-contacts{
    display: flex;
    margin: auto;
    justify-content: space-between;
    width: 50%;
}
.footer .fab{
    font-size: 4em;
    color: #000;
    margin: 0.3em;
    transition: 1s;
}
.footer .fab:hover{
    transform: scale(1.5);
    transition: 1s;
}
.footer .copyright{
    text-align: center;
    margin-bottom: 0.6em;
}