.footer{
  text-align: center;
  width: 100%;
}
.footer_grid {
  width: 70%;
  height: 30%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 50% 50%;
  grid-template-rows: 33% 33% 33%;
  margin-bottom: 60px;
}
.footer_grid a{
  text-decoration: none;
}
.footer_grid li{
  list-style: none;
  font-size: 1.4rem;
  padding: 5% 10%;
  border: solid 1px #333333;
  margin: 1.0px;
  color: #333333;
}
.footer_copyright__p{
  font-size: 1.2rem;
  margin-bottom: 20px;
  color: #999999;
}

@media(min-width:500px) {
  .footer_grid {
    width: 50%;
    height: 20%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 50% 50%;
    grid-template-rows: 33% 33% 33%;
    margin-bottom: 120px;
  }
  .footer_grid li{
    font-size: 2.0rem;
    margin: 1.0px;
  }
  .footer_copyright__p{
    font-size: 1.6rem;
  }
}