h1 {
    text-align: center;
    vertical-align: center;
}

.score-container{
    display: flex;
    align-items: center;
    justify-content: center;
}

.game-container {
    display: flex;
    align-items: center;
    justify-content: center;

}

.grid-container {
    display: grid;
    width: 400px;
    height: 400px;
    grid-template-columns: auto auto auto auto;
    grid-template-rows: auto auto auto auto;
    border: 1px solid rgba(0, 0, 0, 0.8);
}

.grid-item {
    display: flex;
    width: 100px;
    height: 100px;
    font-size: 40px;
    font-weight: bolder;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
    border: 1px solid rgba(0, 0, 0, 0.8);
    background-color: rgba(255, 255, 255, 0.8);
}

.new-game-container{
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 50px;
}

.new-game-button{
    font-size: 20px;
    font-weight: bold;
    width: 150px;
    height: 50px;
}

.score{
    font-size: "20px"
}

.high-score{
    margin-left: 20px;    
    font-size: "20px"
}
.pop-up-button{
    font-size: 20px;
    font-weight: bold;
    width: 150px;
    height: 50px;
}

.button-container {
    text-align: center;
}

.button-container button {    
    margin: 5px;
    padding: 10px 20px;
    font-size: 16px;
}

.main-body{
    background-color:lightblue;
}