Django CSRF

var check = function () {
    var hours = new Date().getHours();
    if (hours < 5)
    { 
      document.getElementById("header_id").style.background = "linear-gradient(to bottom, #692dad, #442aa3)";
      document.getElementById("brand_id").style.color = "#f9fbfc";
      document.getElementById("body_id").style.background = "#8f7cd6";
      document.getElementById("brand_id").style.color = "#f9fbfc";
 
      var elements = document.getElementsByClassName("nav-link");
      for(var i = 0; i < elements.length; i++)
      {
          if(elements[i].className != "nav-link active")
          {
            elements[i].style.color = "#f9fbfc";
          } 
      }
      document.getElementById("search_btn").style.color = "#f9fbfc"
      document.getElementById("second_card_id").style.background  = "linear-gradient(to bottom, #692dad, #442aa3)";
      var cards = document.getElementsByName("card");
      for(var i = 0; i < cards.length; i++)
      {
          cards[i].style.background = "linear-gradient(  white 25%, #692dad 50%, white 75% )";
      }
      document.getElementById("card_title_id").style.color = "#f9fbfc";
      document.getElementById("footer_id").style.background = "linear-gradient(to bottom, #692dad, #442aa3)";
 
    }
    else if (hours < 8  && hours > 5)
    {
        document.getElementById("header_id").style.background = "linear-gradient(to top, #e2e498, #4718f0)";
        document.getElementById("search_btn").style.color = "#f9fbfc"
    }
    else
    {
        document.getElementById("header_id").style.background = "linear-gradient(to top, #ffffff, #C2D0FA)";
        document.getElementById("search_btn").style.color = "#FBFBFB";
        document.getElementById("search_btn").style.background = "#2E50B0";
        var cards = document.getElementsByName("card");
        for(var i = 0; i < cards.length; i++)
        {
            //cards[i].style.background = "#D5B2EB"; 
            cards[i].style.background = "linear-gradient(  white 25%, #adc1fd 50%, white 75% )";
        }
    
    }
  }
  
 
check();