body {
  background: #007bff !important;
  background: linear-gradient(to right, #0062E6, #33AEFF) !important;
}
.vert {
    position: relative;
  top: 50%;
  left: 50%;
  /* bring your own prefixes */
  transform: translate(-50%, -50%);
}
.custom-file {
    height: 2.25rem;
    position: relative;
    width: 100%;
    margin-bottom: 15px;
}
.form-control {
    color: black !important;
}
#sticky-footer {
  background-color: #ffffff;;
}