.absolute {
  position: absolute;
}
.relative {
  position: relative;
}

.signin-modal {
  padding: 20px;
  width: 95%;
  max-width: 450px;
  position: absolute;
  color: #4e4e4e;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.signin-modal .close-x {
  position: absolute;
  top: -25px;
  right: 5px;
  font-size: 1.8em;
  color: #000000;
  cursor: pointer;
  background-color: #ffffff;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  z-index: 3;
  box-shadow: 0px 0px 5px #333;
}

.signin-modal .main-content {
  background: url(../images/signin-event/Sign-in.png);
  background-position: center;
  background-repeat: no-repeat;
  background-size: 100%;
  aspect-ratio: 205/242;
  border: 0;
  padding: 0;
  box-shadow: 0px 0px;
}

.signin-modal .link-btn {
  background: linear-gradient(to top, #df4a0a, #ff8215);
  border-radius: 0.5rem;
  border: 3px solid #ae7049;
  min-width: 8rem;
  box-shadow: inset 0px 0px 8px #ffeb33, 0px 3px 10px #b5800d;
  padding: 0.5rem;
  color: #ffdd00;
  text-align: center;
  display: inline-block;
  transform: all 0.5s;
}
.signin-modal .link-btn:hover {
  opacity: 1;
  background: linear-gradient(to bottom, #df4a0a, #ff8215);
  box-shadow: inset 0px 0px 8px #ff0000, 0px 3px 10px #b53a0d;
  transform: translateY(-3px);
  color: #fff;
}

.signin-modal .sub-title {
  gap: 1rem;
  transform: translateY(-30%);
  z-index: 2;
}
.signin-modal .jump {
  animation: jump 2s infinite;
}

@keyframes jump {
  80% {
    transform: translateY(0%);
  }
  90% {
    transform: translateY(-15%);
  }
  100% {
    transform: translateY(3%);
  }
}
@media screen and (max-width: 430px) {
  .signin-modal .main-content {
    aspect-ratio: 48/66;
  }
}