*{
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: 'Poppins';
}

body{
  width: 100%;
  height: 100vh;
  background-color: #ff676d;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container{
  background-color: #fff;
  width: 400px;
  height: auto;
  border-radius: 7px;
  padding: 20px;
  transition: .1s;
  margin-bottom: 1px;
}
.container1 p{
  line-height: 23px;
}
.header h1{
  font-size: 23px;
  font-weight: 500;
  margin-bottom: 5px;
}

.header p{
  font-size: 17px;
  margin-bottom: 10px;
}

input, button{
  width: 100%;
  height: 50px;
  outline: none;
  border-radius: 5px;
}

button{
  border: none;
  background-color: #1d68d8;
  font-size: 15px;
  color: #fff;
  cursor: pointer;
}

input{
  border: 1px solid #8b8a8a;
  padding-left: 10px;
  margin-bottom: 15px;
  font-size: 15px;
}

.qr-code{
  padding: 25px 0;
  border: 1px solid #ccc;
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  opacity: 0;
  pointer-events: none;
  transition: .5s;
}

.container.active{
  height: auto;
}

.container.active .qr-code{
  opacity: 1;
  pointer-events: auto;
}