.btn{
 margin:0.5em;
}

.container-fluid {
  //margin-top: 1em;
  //margin-bottom: 1em;
  border-radius: 20px;
  width: 55%;
  height: auto;
  padding: 2.5em 0;
  background-color: white;
}

.container-gray {
  background-color: #f5f8fc;
  padding: 1em;
}