webhook_logger/callbacks/static/css/main.css

html,
body {
  height: 100%;
}

.main {
  min-height: 100%;
  /* equal to footer height */
  margin-bottom: -168px;
}

.main:after {
  content: "";
  display: block;
}

.footer,
.main:after {
  height: 168px;
}

.card {
  margin-bottom: 10px;
}