Electro make header as sticky in footer at mobile view

style.css

@media (max-width: 1199px) {
  .site-header {
    position: fixed;
    bottom: 0;
    z-index: 2;
        right: 0;
    left: 0;
  }
  
  #scrollUp {
    bottom: 4rem;
  }
  
  .sticky-wrapper .stick-this.stuck,
  .handheld-stick-this.stuck {
      top: auto;
    animation: none;
    transform: none;
  }
}