* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}
body {
  background-color: #faf8ef;
}
.heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
h1 {
  color: #776e65;
}
.container {
  position: absolute;
  transform: translate(-50%, -50%);
  left: 50%;
  top: 50%;
}
h1 {
  font-size: 4em;
}
.score-container {
  color: #776e65;
}
#score {
  font-weight: 600;
}
.grid {
  width: 25em;
  height: 25em;
  background-color: #cdc1b5;
  border: 5px solid #bbada0;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  border-radius: 0.5em;
}
.box {
  width: 97.5px;
  height: 97.5px;
  border: 5px solid #bbada0;
  font-size: 40px;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cover-screen {
  position: absolute;
  top: 0;
  left: 0;
  background-color: #faf8ef;
  height: 100%;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
#start-button {
  background-color: #8f7a66;
  padding: 1em 2em;
  border: none;
  border-radius: 0.5em;
  font-size: 1em;
  letter-spacing: 0.2px;
  color: #ffffff;
}
.hide {
  display: none;
}
.box-2 {
  background-color: #eee4da;
  color: #727371;
}
.box-4 {
  background-color: #eee1c9;
  color: #727371;
}

.box-8 {
  background-color: #f3b27a;
  color: white;
}

.box-16 {
  background-color: #f69664;
  color: white;
}

.box-32 {
  background-color: #f77c5f;
  color: white;
}

.box-64 {
  background-color: #f75f3b;
  color: white;
}

.box-128 {
  background-color: #edd073;
  color: white;
}

.box-256 {
  background-color: #edcc63;
  color: white;
}

.box-512 {
  background-color: #edc651;
  color: white;
}

.box-1024 {
  background-color: #eec744;
  color: white;
}

.box-2048 {
  background-color: #ecc230;
  color: white;
}