body {
    background: #FFFFFF;
    background: -moz-radial-gradient(center, #FFFFFF 0%, #0A5E15 100%);
    background: -webkit-radial-gradient(center, #FFFFFF 0%, #0A5E15 100%);
    background: radial-gradient(ellipse at center, #FFFFFF 0%, #0A5E15 100%);
    background-repeat: round;
    color: black;
    text-align: center;
}

#container {
    height: 600px;
    width: 50%;
    margin: 100px auto;
    background: white;
    box-shadow: 0 0 3px black;
    border-radius: 35px;
    align-items: center;
}

h1 {
    
    color: black;
    margin: 0;
    padding: 10px 100px;
    font-size: 36px;
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;

}

p {
    padding-left: 20px;
   
}

form {
    background: white;
    border: 2px solid black;
    border-radius: 25px;
}

form input[type = "text"] {
    width: 90px;
}

input {
    padding-left: 20px;
}

#billamt {
    font-size: 14px;
    /*color: #2980b9;*/
    color: black;
    background-color: #f7f7f7;
    width: 60%;
    padding: 5px 5px 8px 8px;
  }
  
  #billamt:focus {
    background: #fff;
    border: 3px solid #2980b9;
    outline: none;
  }
  
  #peopleamt {
    width: 60%;
    padding: 5px 5px 8px 8px;
    margin-left: 20px;
    color:black;
    background-color: #f7f7f7;
    font-size: 14px;
  }
  
  .dollarSign {
    display: inline;
  }
  
  #servicequal {
    padding: 13px 13px 20px 20px;
    margin-left: 20px;
    font-size: 25px;
  }
  
  button {
    text-transform: uppercase;
    font-weight: bold;
    display: block;
    margin: 30px auto;
    background: green;
    border-radius: 15px;
    width: 200px;
    height: 50px;
    font-size: 17px;
    color: white;
  }
  
  button:hover {
    background: #104e1b;
    border-bottom-color: #111;
  }
  
  button:active {
    position: relative;
    top: 1px;
  }
  
  #totalTip {
    font-size: 40px;
    margin-top: 5px;
    text-align: center;
  }
  
  #totalTip:before {
    content: "Tip amount";
    font-size: 40px;
    font-weight: bold;
    display: block;
    text-transform: uppercase;
  }
  
  #totalTip sup {
    font-size: 40px;
    top: -18px;
  }
  
  #totalTip small {
    font-size: 40px;
    font-weight: bold;
    display: block;
  }