/* Import Google Font - Poppins */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');
*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}
body{
  display: flex;
  padding: 0 10px;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: #4285F4;
}
.wrapper{
  max-width: 500px;
  background: #fff;
  border-radius: 7px;
  padding: 20px 25px 15px;
  box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}
header h1{
  font-size: 27px;
  font-weight: 500;
}
header p{
  margin-top: 5px;
  font-size: 18px;
  color: #474747;
}
form{
  margin: 20px 0 27px;
}
form input{
  width: 100%;
  height: 60px;
  outline: none;
  padding: 0 17px;
  font-size: 19px;
  border-radius: 5px;
  border: 1px solid #b3b2b2;
  transition: 0.1s ease;
}
form input::placeholder{
  color: #b3b2b2;
}
form input:focus{
  box-shadow: 0 3px 6px rgba(0,0,0,0.13);
}
form button{
  width: 100%;
  border: none;
  opacity: 0.7;
  outline: none;
  color: #fff;
  cursor: pointer;
  font-size: 17px;
  margin-top: 20px;
  padding: 15px 0;
  border-radius: 5px;
  pointer-events: none;
  background: #4285F4;
  transition: opacity 0.15s ease;
}
form input:valid ~ button{
  opacity: 1;
  pointer-events: auto;
}