style.css

body {
  background-color:#fff;
  padding: 2em;
  font-family: 'Roboto', 'Helvetica Neue', 'Helvetica', 'Arial', 'sans-serif';
  color: white;
  position: absolute;
  background-image:  url('dapp/flight.jpg');
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-position: center; 
  display: inline-block;
  
}
.container {
  width: 60%;
  margin: 0 auto;
position: center;
background-color:#000000;
opacity:0.8;
}


.bold { 
  font-weight: bolder;
}

input {
    width: 80%;
    padding: 12px 20px;
    margin: 10px 0;
}

select{
    width: 86%;
    padding: 12px 20px;
    margin: 10px 0;
}

options {
    display:none;
    position:absolute;
    top:100%;
    right:0;
    left:0;
    z-index:999;
    margin:0 0;
    padding:0 0;
    list-style:none;
    border:1px solid #ccc;
    background-color:white;
    -webkit-box-shadow:0 1px 2px rgba(0, 0, 0, 0.2);
    -moz-box-shadow:0 1px 2px rgba(0, 0, 0, 0.2);
    box-shadow:0 1px 2px rgba(0, 0, 0, 0.2);
}

input[type="radio"] {
    width: 5%;
	color: yellow;
}

button {
    cursor: pointer;
    border: none;
    color: white;
    background-color: #2272d3;
    font-size: 16px;
    padding: 16px 32px;
    text-decoration: none;
    margin: 4px 2px;
    cursor: pointer;
}

.sell { 
  background-color: white;
  color: #D1C4E9;
}

.ftc-intro {
  background-color:#0097A7;
  color:white;
  width:100%;
  padding:20px;
}

.form-group {
  color:white;
  width:50%;
  padding:30px;
  border-radius: 4px;
background: rgb(75,46,59);
background: linear-gradient(12deg, rgba(75,46,59,0.87156869583771) 20%, rgba(24,24,37,1) 55%, rgba(255,175,0,1) 100%);
  margin: 0 auto;
  opacity:0.8;
}

	
.horizontal-rule {
  background-color:#BDBDBD;
}

#button {
  width: 120px;
  text-transform: uppercase;
}