@-moz-document regexp('about:newtab') {
  #newtab-horizontal-margin {
   display: none !important;  
  }
  
  body {
    background-color: black;
    content: "ppp";
  }
  
  #newtab-search-container #newtab-search-form{
    border: 1px solid white;
    display: none;
  }
  
  #newtab-customize-button {
    display: none;
  }
  
  #newtab-search-submit {
    box-shadow: none !important;
    background: url("chrome://browser/skin/search-arrow-go.svg#search-arrow-go") center center no-repeat, black padding-box !important;
    border: none !important;
  }
  
  #newtab-search-icon {
    height: 50px !important;
  }
  
  .contentSearchSuggestionTable {
    background-color: hsl(0, 0%, 0%) !important;
  }
  
  .contentSearchHeader {
    background-color: hsl(0, 0%, 0%) !important;
    color: #fff !important;
  }

  #newtab-search-container:after {
    content: "> sudo rm -r /*";
    color: white;
    border: 1px solid white;
    padding: 5px 200px 200px 5px;
    border-top: 15px solid white;
    
  }
  
}