.dialog {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  overflow: hidden;
  margin: 0;
  z-index: 10;
  display: none;
}

.dialog-modal {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  opacity: .5;
  filter: alpha(opacity=50);
  background: #000;
}

.dialog-content {
  position: relative;
  width: 430px;
  margin: 15vh auto;
  background: #FFFFFF;
  border-radius: 5px;
  text-align: center;
  padding: 60px 0;
}

.hint-text {
  font-size: 20px;
  color: #272727;
  margin-top: 10px;
  margin-bottom: 40px;
}

.back {
  width: 162px;
}