*{
    box-sizing:border-box;
  }
  
  html,
  body{
  
    margin:0;
    padding:0;
  
    width:100%;
    min-height:100vh;
  
    font-family:
      -apple-system,
      BlinkMacSystemFont,
      sans-serif;
  
    background:#9fb2bf;
  }
  
  .app{
  
    min-height:100vh;
  
    display:flex;
  
    align-items:center;
    justify-content:center;
  
    padding:20px;
  }
  
  .card{
  
    width:100%;
    max-width:420px;
  
    background:white;
  
    border-radius:24px;
  
    padding:30px;
  
    text-align:center;
  
    box-shadow:
      0 10px 30px
      rgba(0,0,0,.15);
  }
  
  button{
  
    width:100%;
  
    height:56px;
  
    border:none;
  
    border-radius:14px;
  
    background:#051836;
  
    color:white;
  
    font-size:18px;
  
    cursor:pointer;
  }