.collab_bnr {
  width: 775px;
  margin: auto;
  position: absolute;
  z-index: 10;
  left: 0;
  right: 0;
  top: 1000px;
  background-color: #fff;
  border-radius: 25px;
}
.collab_bnr a {
  display: block;
  outline-offset: -11px;
  background-color: rgb(255, 255, 255);
  position: relative;
  border-width: 1px;
  border-style: solid;
  border-color: rgb(64, 64, 64);
  border-image: none;
  outline: rgb(255, 255, 255) solid 10px;
  padding: 10px;
  border-radius: 25px;
  overflow: hidden;
  text-decoration: none;
  transition: 0.3s;
}
.nurie_contest_bnr {
  width: 775px;
  margin: auto;
  position: absolute;
  z-index: 10;
  left: 0;
  right: 0;
  top: 768px;
  background-color: #fff;
  border-radius: 25px;
}
.nurie_contest_bnr a {
  display: block;
  outline-offset: -11px;
  background-color: rgb(255, 255, 255);
  position: relative;
  border-width: 1px;
  border-style: solid;
  border-color: rgb(64, 64, 64);
  border-image: none;
  outline: rgb(255, 255, 255) solid 10px;
  padding: 10px;
  border-radius: 25px;
  overflow: hidden;
  text-decoration: none;
  transition: 0.3s;
}
@media screen and (max-width: 960px) {
  .collab_bnr {
    top: 168.3333333333vw;
    width: 89.3333333333vw
  }
  .nurie_contest_bnr {
    top: 121.3333333333vw;
    width: 89.3333333333vw
  }
  .collab_bnr a img, .nurie_contest_bnr a img {
    width: 100%
  }
}