.body{
  margin:0;
  padding:0;
}
.container {
  width: 1024px;
  text-align: center;
  margin: 0 auto;
}

@media (max-width: 1024px) {
  .container {
    width: 748px;
    margin: 0 auto;
  }
}

@media (max-width: 680px) {
  .container {
    width: 500px;
    margin: 0 auto;
  }
}

@media (max-width: 480px) {
  .container {
    width: 350px;
    margin: 0 auto;
  }
}

.container .top-image {
  width: 100%;
}

.container .main-text {
  border: double 10px #152c88;
  color: #152c88;
  padding: 10px;
}

.container .main-text h1 {
  font-size: 25px;
}


.container .main-text p {
  font-size: 18px;
}

.container .main-text .btn {
  display: inline-block;
  background: #00c65c;
  padding: 20px;
  margin: 30px auto;
  color: white;
  border-radius: 100px;
  font-size: 30px;
  width: 300px;
}

@media (max-width: 480px) {
  .container .main-text .btn {
    font-size: 25px;
    width: 250px;
  }
  .container .main-text h1{
    font-size: 20px;
  }
  .container .main-text p{
    font-size: 16px;
  }
}

@media(max-width:480px){
  .flex-container{
    width:150px;
    margin:0 auto;
  }
}