footer {
    background-color: #196469;
    width: 100%;
    height: 100%;
    padding: 2em 0;
}

.footer__nav {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
}

.nav-buttom {
    display: flex;
    flex-direction: row;
    align-items: center;
    width: 50%;
    justify-content: space-between;
}


.nav-buttom a {
    font-size: 18px;
    line-height: 100%;
    font-weight: 600;
    text-transform: uppercase;
    position: relative;
    transition: all 0.3s;
    font-family: 'Roboto';
}

.nav-buttom a::after {
  position: absolute;
  content: '';
  left: 0;
  bottom: 0;
  display: block;
  width: 0;
  height: 2px;
  background: #C5E1E5;
  transition: 0.3s;
  margin-bottom: -5px;
}

.nav-buttom a:hover::after {
    width: 100%;
}

.footer__author p {
    font-size: 16px;
    color: #ffffff;
    font-weight: 400;
    font-family: 'Roboto';
    text-transform: uppercase;
}

@media screen and (max-width: 990px) {
    .nav-buttom {
        width: 65%;
    }
}

@media screen and (max-width: 768px) {
    .nav-buttom a {
        display: none;
    }
}