header .l-header {
  position: sticky !important;
  top: 0 !important; 
  width: 100% !important;
  height: 87px !important; 
  min-height: 87px !important;
  z-index: 1000;
  background: #fff;
  box-sizing: border-box !important;
}

.LP_nav {
  top: 59px !important;
  width: 100% !important;
  height: 98px !important;
  z-index: 999;
  background: #eee;
}

@media screen and (max-width: 768px) {
  .LP_nav {
    box-sizing: border-box !important;
      height: auto !important;     
    min-height: 80px !important; 
  }
}