CODE EXAMPLE FOR CSS

fixed header and footer css

.wrapper {
  min-height: 100%;
  height: auto !important;
  height: 100%;
  margin: 0 auto -4em;
  overflow-y: scroll;
}
.footer {
  bottom: 0;
  height: 4em;
  position: fixed;
}
.header {
  top: 0%;
  height: 4em;
  position: fixed;
}