#masthead.site-header {
  margin-top: 0px;
  border-top-width: 4px;
  border-top-color: #00ff00;
  border-top-style: solid;
  border-bottom-width: 0px;
}

#colophon.site-footer {
  border-bottom-width: 4px;
  border-bottom-style: solid;
  border-bottom-color: #00ff00;
}