panel/static/css/main.css

body {
  padding-top: 50px;
}

html {
  position: relative;
  min-height: 100%;
}

.footer {
  position: absolute;
  bottom: 0;
  padding-top: 10px;
  width: 100%;
  height: 50px;
  background-color: #f5f5f5;
}