@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: "Poppins", sans-serif;
}

body {
    background-color: #faf8ef;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    min-height: 100vh;
}

body a {
    text-decoration: none;
    margin-top: 540px;
    color: #776e65;
}

.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;
    cursor: pointer;
}

#start-button:hover {
    background-color: #8f7a66b9;
}

.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;
}