.demo-links_4column .demo-link {
  width: 23.5%;
  margin-top: 1.9vw;
}
.demo-links_4column .demo-link:nth-of-type(1),
.demo-links_4column .demo-link:nth-of-type(2),
.demo-links_4column .demo-link:nth-of-type(3),
.demo-links_4column .demo-link:nth-of-type(4) {
  margin-top: 0;
}
.demo-links_4column .demo-link:nth-of-type(4n+2) {
  margin-left: 2%;
  margin-right: 1%;
}
.demo-links_4column .demo-link:nth-of-type(4n+3) {
  margin-right: 2%;
  margin-left: 1%;
}
@media screen and (max-width: 980px) {
  .demo-links_4column .demo-link {
    width: 32.5%;
    margin-top: 1vw;
  }
  .demo-links_4column .demo-link:nth-of-type(4) {
    margin-top: 1vw;
  }
  .demo-links_4column .demo-link:nth-of-type(4n+2),
  .demo-links_4column .demo-link:nth-of-type(4n+3) {
    margin-left: 0;
    margin-right: 0;
  }
  .demo-links_4column .demo-link:nth-of-type(3n+2) {
    margin-right: 1%;
    margin-left: 1%;
  }
}
@media screen and (max-width: 480px) {
  .demo-links_4column .demo-link {
    width: 49%;
    margin-top: 1.8vw;
  }
  .demo-links_4column .demo-link:nth-of-type(3),
  .demo-links_4column .demo-link:nth-of-type(4) {
    margin-top: 1.8vw;
  }
  .demo-links_4column .demo-link:nth-of-type(3n+2) {
    margin-right: 0;
    margin-left: 0;
  }
  .demo-links_4column .demo-link:nth-of-type(2n+1) {
    margin-right: 1%;
    margin-left: 0;
  }
  .demo-links_4column .demo-link:nth-of-type(2n+2) {
    margin-right: 0;
    margin-left: 1%;
  }
}