@ -19,6 +19,15 @@ body {
top: 0px;
}
#output {
margin-left: 0px;
width: 700px;
height: 200px;
border: 1px solid black;
margin-right: 0px;
margin: auto;
.btn {
background: #3498db;
background-image: -webkit-linear-gradient(top, #3498db, #2980b9);