header img  {
    display: block;
    margin: 0 auto;
}
header span{
    position: absolute;
    top: 36%;
    left: 18%;
    font-size: 28px;
    color: #fff;
}
.para{
    margin-left: 13%;
    width: 75%;
}
.btn-success{
    margin-left: 42%;
    margin-top: 2%;
    cursor: pointer;
}
h2{
    color: #218838;
}
section{
    margin-top:20px;
}

@media print {
    a[href]:after {
      content: none !important;
    }
  }