#input-panel {
    max-width: 650px;
    padding: 50px;
    margin:0 auto 120px;
    box-shadow: 0 2px 10px rgba(0,0,0,.1);
    width: 600px;
}



.btn-top-radius {
  position: relative;
  display: inline-block;
  font-weight: bold;
  padding: 8px 10px 5px 10px;
  text-decoration: none;
  color: #FFA000;
  background: #fff1da;
  border-bottom: solid 4px #FFA000;
  border-top:None;
  border-left:None;
  border-right:None;
  border-radius: 15px 15px 0 0;
  transition: .4s;
  width: 200px;
}

.btn-top-radius:hover {
  background: #ffc25c;
  color: #FFF;
}