.modal {
  display: none;
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100vh;
  z-index: 999;
  opacity: 0;
}
.modal-overflow {
  width: 100%;
  height: 100vh;
  position: fixed;
  background: rgba(0, 0, 0, 0.6);
}
.modal-list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  width: 100%;
  height: 100vh;
  overflow-y: auto;
}
.modal-container {
  width: 500px;
  position: relative;
  z-index: 3;
  max-width: 100%;
  background: #fff;
  border-right: 10px;
  margin: auto;
  position: relative;
  padding: 40px;
  text-align: center;
}
.modal-close {
  position: absolute;
  right: 10px;
  top: 10px;
  cursor: pointer;
  z-index: 2;
  -webkit-transition: all 0.4s;
  -o-transition: all 0.4s;
  transition: all 0.4s;
}