Button moving when adding text dynamically in JavaScript

var count = 0;
var One = document.getElementById("One");
var Two = document.getElementById("Two");
var Three = document.getElementById("Three");
var Four = document.getElementById("Four");
var Five = document.getElementById("Five");
var Six = document.getElementById("Six");
var Seven = document.getElementById("Seven");
var Eight = document.getElementById("Eight");
var Nine = document.getElementById("Nine");

function eventListener(newButton) {
  newButton.addEventListener("click", function() {
    if (count % 2 == 0) {
      newButton.innerHTML = "O";
    } else if (count % 2 == 1) {
      newButton.innerHTML = "X";
    }
    count++;
    setTimeout(() => {
      gameStatus();
    }, "50")
  })
}

function gameStatus() {
  if ((One.textContent === "O" && Two.textContent === "O" && Three.textContent === "O") || (Four.textContent === "O" && Five.textContent === "O" && Six.textContent === "O") || (Seven.textContent === "O" && Eight.textContent === "O" && Nine.textContent === "O") || (One.textContent === "O" && Four.textContent === "O" && Seven.textContent === "O") || (Two.textContent === "O" && Five.textContent === "O" && Eight.textContent === "O") || (Three.textContent === "O" && Six.textContent === "O" && Nine.textContent === "O") || (One.textContent === "O" && Five.textContent === "O" && Nine.textContent === "O") || (Three.textContent === "O" && Five.textContent === "O" && Seven.textContent === "O")) {
    window.alert("Player One Won");
  } else if ((One.textContent === "X" && Two.textContent === "X" && Three.textContent === "X") || (Four.textContent === "X" && Five.textContent === "X" && Six.textContent === "X") || (Seven.textContent === "X" && Eight.textContent === "X" && Nine.textContent === "X") || (One.textContent === "X" && Four.textContent === "X" && Seven.textContent === "X") || (Two.textContent === "X" && Five.textContent === "X" && Eight.textContent === "X") || (Three.textContent === "X" && Six.textContent === "X" && Nine.textContent === "X") || (One.textContent === "X" && Five.textContent === "X" && Nine.textContent === "X") || (Three.textContent === "X" && Five.textContent === "X" && Seven.textContent === "X")) {
    window.alert("Player Two Won");
  } else if (One.textContent !== " " && Two.textContent !== " " && Three.textContent !== " " && Four.textContent !== " " && Five.textContent !== " " && Six.textContent !== " " && Seven.textContent !== " " && Eight.textContent !== " " && Nine.textContent !== " ") {
    window.alert("Draw");
  }
}
eventListener(One);
eventListener(Two);
eventListener(Three);
eventListener(Four);
eventListener(Five);
eventListener(Six);
eventListener(Seven);
eventListener(Eight);
eventListener(Nine);

html {
  background-image: url(../images/background.png);
  background-size: cover;
  background-repeat: no-repeat;
}

body {
  margin: 0px;
}

#NavBar {
  background-color: #1f1f1f;
  width: 100%;
  overflow: auto;
  margin-top: 0px;
}

h2 {
  color: white;
  display: inline-block;
  margin-top: 0px;
  margin-bottom: 0px;
}

#NavLinks {
  float: right;
  margin: 0 auto;
}

a {
  color: white;
  display: block;
  padding: 14px 16px;
  text-decoration: none;
}

#Website {
  padding: 14px 16px;
}

#Board {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 300px;
  font-size: 0;
}

button {
  height: 100px;
  width: 100px;
  padding: 0px;
  border-color: black;
  border-style: solid;
  border-width: 2px;
  color: black;
  font-size: 30px;
}

#One {
  border-left-width: 0px;
  border-top-width: 0px;
}

#Two {
  border-top-width: 0px;
}

#Three {
  border-top-width: 0px;
  border-right-width: 0px;
}

#Four {
  border-left-width: 0px;
}

#Six {
  border-right-width: 0px;
}

#Seven {
  border-left-width: 0px;
  border-bottom-width: 0px;
}

#Eight {
  border-bottom-width: 0px;
}

#Nine {
  border-bottom-width: 0px;
  border-right-width: 0px;
}

<div id="NavBar">
  <h2 id="Website"> My Website </h2>
  <div id="NavLinks">
    <h2><a href="index.html"> Home </a></h2>
    <h2><a href="projects.html"> Projects </a></h2>
    <h2><a href="tictactoe.html"> Tic Tac Toe </a></h2>
  </div>
</div>
<div id="Board">
  <button id="One"> </button>
  <button id="Two"> </button>
  <button id="Three"> </button>
  <button id="Four"> </button>
  <button id="Five"> </button>
  <button id="Six"> </button>
  <button id="Seven"> </button>
  <button id="Eight"> </button>
  <button id="Nine"> </button>
</div>