*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

body{
  height:100vh;
  display:flex;
  justify-content:center;
  align-items:center;
  background:linear-gradient(135deg,#a3a134,#d4a90e);
}

.container{
  background:white;
  padding:40px;
  border-radius:20px;
  text-align:center;
  box-shadow:0 10px 30px rgba(0,0,0,0.2);
  width:350px;
}

h1{
  margin-bottom:20px;
  color:#333;
}

input{
  padding:10px;
  font-size:18px;
  border:2px solid orange;
  border-radius:10px;
  width:100%;
  margin-bottom:20px;
}

.countdown{
  font-size:24px;
  font-weight:bold;
  color:orange;
}