header {
  z-index: 999;
  left: 0;
  right: 0;
  top: 0;
  position: relative;
  transition: all 0.2s ease-in-out;
  padding: 10px;
  width: 100% !important;
  background: #0097eb !important;
}
header.fixed {
  background: #0097eb !important;
}