style.css

@import url('https://fonts.googleapis.com/css2?family=Caveat+Brush&display=swap');

*{
    font-family: 'Caveat Brush', cursive;
}
html,body,.page-wrapper{
    min-height: 100vh;
    margin: 0;
    padding: 0;

}

.page-wrapper{
    display: flex;
    justify-content: center;
    align-items: center;
}

.game-container{
    border: 1px solid black;
    display: flex;
    flex-direction: column;
    align-items: center;
    border-radius: 3px;
    box-shadow: 0px 0px 5px 0px rgba(0, 0, 0, 0.423);
    background-color: #f5f5f4;
}

.board-container{
    background-color: #57534e;
    padding: 30px;
}

.board{
    display: grid;
    grid-template-columns: repeat(3,100px);
    grid-template-rows: repeat(3,100px);
    border-radius: 3px;
}

.cell{
    cursor: pointer;
    border: none;
    font-family: 'Caveat Brush', cursive;
    font-size: 70px;
    font-weight: bold;
    border-right: 3px solid black;
    border-bottom: 3px solid black;
    background-color: #57534e;
}

.no-r{
    border-right: none;
}
.no-b{
    border-bottom: none;
}

.play-again-buttons{
    padding: 20px 0px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.play-again-buttons>button{
    cursor: pointer;
    padding: 5px 20px;
    font-size: 15px;
    background-color: #0c0a09;
    color: white;
    border: none;
    border-radius: 3px;
    box-shadow: 0px 0px 2px 0px black;
}

.play-again-buttons>button:hover{
    opacity: 0.8;
}

.play-again-buttons>button:active{
    opacity: 1;
    box-shadow: 0px 0px 5px 0px black;
}

.new-round:disabled{
    cursor: not-allowed;
    opacity: 0.5;
}

.new-round:disabled:hover{
    opacity: 0.5;
}

.new-round:disabled:active{
    opacity: 0.5;
    box-shadow: 0px 0px 2px 0px black;
}

#start-game-dialog{
    padding: 60px;
    border-radius: 5px;
    border: none;
    box-shadow: 0px 0px 5px 1px black;
    background-color: #f5f5f4;
}

#start-game-dialog::backdrop{
    background-color: #ffffff;
}

.players-div{
    display: flex;
    gap: 50px;
}

.player-one-div,.player-two-div{
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.player-one-div>label,.player-two-div>label
{
    font-size: 25px;
    font-weight: bold;
}

.player-one-div>input,.player-two-div>input
{
    padding: 2px;
    font-size: 16px;
    text-align: center;
    border-radius: 3px;
    border: none;
    box-shadow: 0px 0px 1px 1px rgba(0, 0, 0, 0.319);
    appearance: none;
}

.player-one-div>input:focus-visible,.player-two-div>input:focus-visible
{
    outline: 1px solid #000000;
}

.dialog-buttons-div{
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.dialog-buttons-div>button{
    cursor: pointer;
    width: 150px;
    padding: 7px 0px;
    border-radius: 3px;
    background-color: #0c0a09;
    border: none;
    color: white;
    font-size: 17px;
    font-weight: bold;
    box-shadow: 0px 0px 2px 0px black;
}

.dialog-buttons-div>button:hover{
    opacity: 0.9;
}

.dialog-buttons-div>button:hover{
    opacity: 1;
    box-shadow: 0px 0px 5px 0px black;
}