Can anyone tell me what this code means?

We are having issues with the links on our sermons page. https://fcclife.me/2sermons Squarespace support said it is being affected by the injected code. I inherited the site, so I did not add this code, and have since redesigned the site. Is this code doing anything? Can I just delete it?

This is in the header box:

<!-- CHANGE THE HEX COLOR CODE BELOW -->
<style>
#timer div {
    color: #000000;
    display: table-cell;
    font-size: 100px;
    letter-spacing: 2px;
    font-weight: 500;
    color: #FFFFFF;
  padding: 20px;
    border-radius: 300px;
    text-align: center;
  }
#timer {
  margin: 0 auto;
  display: table;
}
#timer div span {
      letter-spacing: 1px;
      color: e47362;
      font-size: 20px;
      margin-left: -4px;
      margin-top: 40px;
      display: block;
    }
@media (max-width : 667px) {
  #timer div {
      padding: 16px;
      font-size: 26px !important;
  }
  #timer div span {
        margin-top: 2px;
        font-size: 12px !important;
      }
  }
</style>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>

<!-- CHANGE THE TARGET TIME AND DATE BELOW -->
<script>
function makeTimer() {

var endTime = new Date("December 24, 2021 14:00:00 EST");
var endTime = (Date.parse(endTime)) / 1000;

var now = new Date();
var now = (Date.parse(now) / 1000);

var timeLeft = endTime - now;

var days = Math.floor(timeLeft / 86400); 
var hours = Math.floor((timeLeft - (days * 86400)) / 3600);
var minutes = Math.floor((timeLeft - (days * 86400) - (hours * 3600 )) / 60);
var seconds = Math.floor((timeLeft - (days * 86400) - (hours * 3600) - (minutes * 60)));

if (hours < "10") { hours = "0" + hours; }
if (minutes < "10") { minutes = "0" + minutes; }
if (seconds < "10") { seconds = "0" + seconds; }

$("#days").html(days + "<span>Days</span>");
$("#hours").html(hours + "<span>Hours</span>");
$("#minutes").html(minutes + "<span>Minutes</span>");
$("#seconds").html(seconds + "<span>Seconds</span>");

}

setInterval(function() { makeTimer(); }, 1000);
</script>

<style>
.counter-container {
  color: #000000;
  text-align: center;
  display: flex;
  flex-flow: row nowrap;
  justify-content: space-evenly;
}
#counterbox {
  display: inline-block;
  min-width:450px;
}
#counterbox p {
  text-align: center;
  width: 100%;
  display: block;
}
.counter {
  font-size:60px;
  line-height: 40px;
  font-weight: 100;
}
@media (max-width:870px) {
  .counter-container {
    display: block !important;
    width: 100% !important;
  }
   .counter-countainer #counterbox {
      margin-top: 20px;
      margin-bottom: 20px;
  }
}
</style>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.0/jquery.min.js"></script>
<script type="text/javascript">
/*=============== SQUARE STUDIO ANIMATED COUNTER PLUGIN START ===============*/
function watch(){MutationObserver=window.MutationObserver||window.WebKitMutationObserver,new MutationObserver(function(a){for(var b=0;b<a.length;b++){if("attributes"===a[b].type){var d=new Event("pageChange");document.dispatchEvent(d)}}}).observe(document.body,{attributes:!0,attributeFilter:["id"]})}var executed=!1;$(document).ready(function(){function a(){$(".counter-container").length>0&&$(window).scroll(function(){b()})}function b(){if(!executed){var a=.1*$(".counter-container").outerHeight();$(window).scrollTop()>$(".counter-container").offset().top-$(window).height()+a&&(executed=!0,$(".counter").each(function(){var a=$(this),b=a.attr("data-count");$({countNum:a.text()}).animate({countNum:b},{duration:3e3,easing:"linear",step:function(){a.text(Math.floor(this.countNum))},complete:function(){a.text(this.countNum)}})}))}}a()}),document.addEventListener("pageChange",function(){executed=!1,$(window).unbind("scroll"),init()}),window.onload=watch;
/*================ SQUARE STUDIO ANIMATED COUNTER PLUGIN END ================*/
</script>

And this is in the Footer box:

<script src="https://apps.elfsight.com/p/platform.js" defer></script>
<div class="elfsight-app-ce1c82cc-76cb-4023-b9c1-d41080bb95b4"></div>

I'm thankful for any insight!