@media only screen and (max-width: 480px) {
  body {
    background: white;
  }
  
  .content {
    padding: 0px;
    border-radius: 0px;
}
  
  .header-wrap {
    margin: 55px 0px 34px 0px;
  }
  
  h1 {
    font-size: 34px;  
    letter-spacing: 1px;
  }
  
  .content {
    box-shadow: none;
  }
  
  #textbox {
    border: 1px solid #ccc;
  }
}