index.css

body {
  background-color: #FAF8EF;
}
/* the heading css */
.heading {
  text-align: center;
  color: #776E65;
}

.wrapper {
  text-align: center;
  margin-top: 1.6%;
  margin-bottom: 1.6%;
  position: relative;
  left: 23px;
}
/* for the score and highscore */
.score, .highScore {
  display: inline-block;
  background-color: #776E65;
  font-weight: bold;
  margin-left: 2%;
  margin-right: 2%;
  color: #fff;
  padding: 1%;
  border-radius: 20%;
}
/* the for the newgame btn */
.btn, .btn:hover, .btn:active {
  background-color: #EDCF72;
  border-color: #EDCF72;
}

.row {
  text-align: center;
  margin: 0 22.9%;
  position: relative;
  left: 5px;
}
/* the hidden paragraph which shows gameWon or gameOver later */
.hidden {
  visibility: hidden;
  margin: 0;
  padding: 0;
  position: absolute;
}
/* The text settings for gameOver or gameWon */
.GameoverText {
  font-size: 3.6rem;
  font-weight: 900;
  margin-top: 5%;
  margin-left: 27%;
  opacity: 1;
  position: absolute;
}

.boxContainer {
  padding: 0%;
  margin: 0%;
}
/* this is the default gameBox */
.gameBox {
  height: 150px;
  width: 150px;
  border: 10px solid #BBADA0;
  border-radius: 20%;
  background-color: #CDC1B4;
  display: inline-block;
}
/* the gameBox belows are adjusted according to the numbers they show so gameBox2 is for if the box is 2 */
.gameBox2 {
  height: 150px;
  width: 150px;
  color: #776E65;
  border: 10px solid #BBADA0;
  border-radius: 20%;
  background-color: #EEE4DA;
  display: inline-block;
}

.gameBox4 {
  height: 150px;
  width: 150px;
  color: #776E65;
  border: 10px solid #BBADA0;
  border-radius: 20%;
  background-color: #EDE0C8;
  display: inline-block;
}

.gameBox8 {
  height: 150px;
  width: 150px;
  color: #fff;
  border: 10px solid #BBADA0;
  border-radius: 20%;
  background-color: #F2B179;
  display: inline-block;
}

.gameBox16 {
  height: 150px;
  width: 150px;
  color: #fff;
  border: 10px solid #BBADA0;
  border-radius: 20%;
  background-color: #F59563;
  display: inline-block;
}

.gameBox32 {
  height: 150px;
  width: 150px;
  color: #fff;
  border: 10px solid #BBADA0;
  border-radius: 20%;
  background-color: #F67C5F;
  display: inline-block;
}

.gameBox64 {
  height: 150px;
  width: 150px;
  color: #fff;
  border: 10px solid #BBADA0;
  border-radius: 20%;
  background-color: #F65E3B;
  display: inline-block;
}

.gameBox128 {
  height: 150px;
  width: 150px;
  color: #fff;
  border: 10px solid #BBADA0;
  border-radius: 20%;
  background-color: #EDCF72;
  display: inline-block;
}

.gameBox256 {
  height: 150px;
  width: 150px;
  color: #fff;
  border: 10px solid #BBADA0;
  border-radius: 20%;
  background-color: #EDCC61;
  display: inline-block;
}

.gameBox512 {
  height: 150px;
  width: 150px;
  color: #fff;
  border: 10px solid #BBADA0;
  border-radius: 20%;
  background-color: #ebc547;
  display: inline-block;
}

.gameBox1024 {
  height: 150px;
  width: 150px;
  color: #fff;
  border: 10px solid #BBADA0;
  border-radius: 20%;
  background-color: #e8bd30;
  display: inline-block;
}

.gameBox2048 {
  height: 150px;
  width: 150px;
  color: #fff;
  border: 10px solid #BBADA0;
  border-radius: 20%;
  background-color: #b89214;
  display: inline-block;
}

.boxText {
  margin-top: 30%;
}