@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

*{
  font-family: "Poppins", sans-serif;
  margin: 0; 
  padding: 0;
  box-sizing: border-box;
}

.container{
  display: flex;
  width: 100%;
  height: 100vh;
  justify-content: center;
  align-items: center;
}

.hex-colors{
  text-align: center;
}

.hex-colors h1{
  font-size: 2rem;
  font-weight: 700;
  animation: changecolor 6s infinite alternate;
}

.hex-colors h2{
  margin-top: 20%;
  font-size: 2rem;
}

.btn{
  width: 150px;
  height: px;
  margin-top: 30px;
}

@keyframes changecolor {
  0% {
    color: indigo;
  }
  
  20% {
    color: blue;
  }
  
  40% {
    color: green;
  }
  
  60% {
    color: yellow;
  }
  
  80% {
    color: orange;
  }
  
  100% {
    color: red;
  }
  
}

@media(max-width:480px){
.hex-colors h1{
font-size: 1.5rem;
}
.hex-colors h2{
font-size: 1.5rem;
}
}