#wrap::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,.7);
  z-index: 88888888;
}
#endroll {
  content: "";
  position: fixed;
  width: 100%;
  z-index: 88888889;
  color: #fff;
  text-align: center;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
}
#endroll p + p {
  margin-top: 2rem;
}
#endroll a {
  border: 2px solid #fff;
  border-radius: 60px;
  color: #fff;
  display: block;
  font-weight: bold;
  max-width: 300px;
  padding: 15px 40px;
  text-align: center;
}
#endroll a {
  color: #fff;
  overflow: hidden;
  position: relative;
  z-index: 1;
  margin-right: auto;
  margin-left: auto;
}
#endroll a::after {
  background: #fff;
  position: absolute;
  top: 0;
  left: 0;
  content: '';
  width: 100%;
  height: 100%;
  transform: scale(0, 1);
  transform-origin: left top;
  transition: .2s cubic-bezier(0.45, 0, 0.55, 1);
  z-index: -1;
}
#endroll a:hover {
  color: #000;
}
#endroll a:hover::after {
  transform: scale(1, 1);
}