style.css

* {
    margin: 0;
    padding: 0;
  }
  
  body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-image:url("logo.jpg");
    background-position:center center;
    background-repeat: no-repeat;
    background-size: max(1200px,100vw);
    height: 100vh;
    position: relative;
  }
  
  .container {
    background-color: #fff;
    padding: 2rem;
    border-radius: 1rem;
    min-height: 45vh;
    width: 45vh;
  }
  h1{
    font-family:'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    color: #262fda;
    align-items: center;
    justify-content: center;
    font-size: 50px;
    font-weight: 900;
    position: relative;
    text-decoration: underline wavy red 3.5px;
    text-shadow: 0px 0px 3px #000;
    
    

  }
  h2{
    font-family:'Courier New', Courier, monospace;
    font-size: 27px;
    font-weight: 800;
    text-shadow: 0px 0px 2px #000;
  }
  .amount{
    font-size: larger;
  }
  p{
    font-size: medium;
  }
  
  form {
    margin: 2rem 0 1rem 0;
  }
  
  form select,
  button,
  input {
    width: 100%;
    border: none;
    outline: none;
    border-radius: 0.75rem;
  }
  
  form input {
    border: 1px solid lightgray;
    font-size: 1rem;
    height: 3rem;
    padding-left: 0.5rem;
  }
  
  .dropdown {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
    font-size: medium;
  }
  
  .dropdown i {
    font-size: 1.5rem;
    margin-top: 1rem;
  }
  
  .select-container img {
    max-width: 2rem;
  }
  
  .select-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 8rem;
    border-radius: 0.5rem;
    border: 1px solid lightgray;
  }
  
  .select-container select {
    font-size: 1rem;
    width: auto;
  }
  
  .msg {
    margin: 2rem 0 2rem 0;
  }
  
  form button {
    height: 3rem;
    background-color: #6272bb;
    color: #fff;
    font-size: 1.15rem;
    cursor: pointer;
  }

  @media screen and (min-width: 900px) and(max-width:1200px) {
    .container {
      width: 45vh;
      padding: 2rem;
      border-radius: 1rem;
      min-height: 45vh;
    }
    h1{
      font-size: 50px;
    }
    h2{
      font-size: 27px;
    }
    .select-container {
      width: 8rem;
    }

  }