weird grid results when ‘Puppies’ button is clicked

I have a fake dog adoption site and i am just a beginner, so it is nothing special. I have it set up so that you can click on 1 of 6 buttons and it will display a small picture of each dog that fits the description. If you click the button a 2nd time, the pictures disappear.

It seems that everything is functional EXCEPT the ‘Puppies’ button has a weird affect on the ‘Special Needs’ button. I don’t know why, but the one button changes the position of the other. I have been working on this all weekend and I am so close to getting it to look right.

Please, if you can figure out what I am doing wrong, please let me know!

<!DOCTYPE html>
<html lang="en">
    <header> <!--  ******* HEADER OPEN ********** --> 
    Stack Overflow Help Example <BR>
    <link rel="stylesheet" href="SOFEX.css">
    <script src="SOFEX.js" type="text/javascript"></script>
    </header> <!--  ******* HEADER CLOSED********** -->
<body>  
<main> <br>

    <div class="grid-container6">
        <div class="row"> <!-- **************   GRID OPEN ************  -->
            <div class="column">            
            <button onclick="showMalesFunction()"> Show Male Dogs </button>
            <div id="MalesBtn"> </div>
            </div>
    <!--  ************************************* -->
            <div class="column"> 
        <button onclick="showFemalesFunction()"> Show Female Dogs </button>
        <div id="FemalesBtn"> </div>
        </div>
    <!--  ************************************* -->
        <div class="column">
        <button onclick="showPuppiesFunction()"> 
        Show Puppy Dogs </button>
        <div id="PuppiesBtn"> </div>
        </div>
     <!--  ************************************* -->
        <div class="column"> 
        <button onclick="showAdultFunction()"> Show Adult Dogs </button>
        <div id="AdultBtn"> </div>
        </div>
<!--  ************************************* -->
        <div class="column">  
        <button onclick="showSeniorFunction()"> 
          Show Senior Dogs </button>
        <div id="SeniorBtn"> </div>
        </div>
<!--  ************************************* -->
        <div class="column">  
        <button onclick="SpecialNeedsFunction()"> Dogs With Special Needs </button>
        <div id="SpecialNeedsBtn"> </div>
        </div>
    </div>
  </div> <!-- ************** grid closed ********************-->
<script>

//---------------------------------------------------------//
var MaleArray = [
  "<a href='Boris.html'><img src='BorisGut.jpg' alt='marker.gif' style='width:20%'></a>", 
  "<a href='Harley.html'><img src='Harley Santa hat.jpg' alt='image.gif' style='width:20%'></a>",
  "<a href='Max.html'> <img src='Max.png' alt='image.gif' style='width:20%'></a>",
];

function showMalesFunction() {
  var x = document.getElementById("MalesBtn");
  if (x.style.display === "none") {
    x.style.display = "block"
    document.getElementById("MalesBtn").innerHTML = MaleArray; 
  } else {
    x.style.display = "none";
  } }
//---------------------------------------------------------//
var FemaleArray = [
  "<a href='Lucy.html'><img src='LucyPage.jpg' alt='image.gif' style='width:20%'></a>",
  "<a href='Daisy.html'><img src='DaisyBirthdayHat.jpeg' alt='image.gif' style='width:20%'></a>",
  "<a href='Honey.html'><img src='Honey.png' alt='image.gif' style='width:20%'></a>",
  "<a href='Dolly.html'><img src='Dolly.jpg' alt='image.gif' style='width:20%'></a>",
  "<a href='Birdie.html'> <img src= 'Birdie Girdie.jpg' alt='image.gif' style='width:20%'></a>"
];

function showFemalesFunction() {
  var x = document.getElementById("FemalesBtn");
  if (x.style.display === "none") {
    x.style.display = "block"
    document.getElementById("FemalesBtn").innerHTML = FemaleArray; 
  } else {
    x.style.display = "none";
  } }

//---------------------------------------------------------//
var PuppiesArray = [
  "<a href='Lucy.html'><img src='LucyPage.jpg' alt='image.gif' style='width:20%'></a>",
  "<a href='Honey.html'><img src='Honey.png' alt='image.gif' style='width:20%'></a>",
  "<a href='Dolly.html'><img src='Dolly.jpg' alt='image.gif' style='width:20%'></a>"
];

function showPuppiesFunction() {
  var x = document.getElementById("PuppiesBtn");
  if (x.style.display === "none") {
    x.style.display = "block"
    document.getElementById("PuppiesBtn").innerHTML = PuppiesArray; 
  } else {
    x.style.display = "none";
  } }

//---------------------------------------------------------//
var AdultArray = [
  "<a href='Boris.html'><img src='BorisGut.jpg' alt='marker.gif' style='width:20%'></a>", 
  "<a href='Daisy.html'><img src='DaisyBirthdayHat.jpeg' alt='image.gif' style='width:20%'></a>",
  "<a href='Harley.html'><img src='Harley Santa hat.jpg' alt='image.gif' style='width:20%'></a>",
  "<a href='Birdie.html'> <img src= 'Birdie Girdie.jpg' alt='image.gif' style='width:20%'></a>"
];

function showAdultFunction() {
  var x = document.getElementById("AdultBtn");
  if (x.style.display === "none") {
    x.style.display = "block"
    document.getElementById("AdultBtn").innerHTML = AdultArray; 
  } else {
    x.style.display = "none";
  } }

  //---------------------------------------------------------//
var SeniorArray = [
  "<a href='Max.html'> <img src='Max.png' alt='image.gif' style='width:20%'></a>"
];

function showSeniorFunction() {
  var x = document.getElementById("SeniorBtn");
  if (x.style.display === "none") {
    x.style.display = "block"
    document.getElementById("SeniorBtn").innerHTML = SeniorArray; 
  } else {
    x.style.display = "none";
  } }
  
//---------------------------------------------------------//
var SpecialNeedsArray = [
  "<a href='Dolly.html'><img src='Dolly.jpg' alt='image.gif' style='width:20%'></a>",
  "<a href='Max.html'> <img src='Max.png' alt='image.gif' style='width:20%'></a>"
]
function SpecialNeedsFunction() {
  var x = document.getElementById("SpecialNeedsBtn");
  if (x.style.display === "none") {
    x.style.display = "block"
    document.getElementById("SpecialNeedsBtn").innerHTML = SpecialNeedsArray; 
  } else {
    x.style.display = "none";
  } }
</script>
<style>

* {box-sizing: border-box; }

table {
  border: 2px solid #3399CC; 
  text-align: left;
  margin-left: auto;
  margin-right: auto;
}
td {padding: 0.5em; border: 2px solid #923cb1;text-align: left; }
th {padding: 0.5em; border: 2px solid #3399CC; text-align: center; }
tr:nth-of-type(odd){background-color: #f5fafc;}

.column {
  float: left;
  width: 50%;
  padding: 5px; }

.grid-container6 {  
  display: inline-grid; 
  grid-column: 10px; 
  text-align: center;
  width: 100%; 
  border: 10px; 
  position: relative;
  margin: 0 auto;
  border-color: purple;
  border-style: solid; 
column-gap: 10px;
row-gap: 10px; 
column-rule-color: #e0299a;
background-color: green; 
}

button {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  position: relative;  
  color: white;
  font-size: 24px;
  border-radius: 40px;
  margin: 0 auto;
  display: inline;
  outline: none;
  padding: 6px 12px;
  background-color:  #002171;
}
</style>

</div>
</div>
<!--  ************************************* -->

<!--  ************************************* -->
<!--  ************************************* -->
</main>            
</body>
</html>