*,*::before,*::after{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'poppins', 'sans-serif';
}
.wrapper{
    background-image: url(./gradient-bg.jpg);
    width: 100vw;
    height: 100vh;
    background-position: center ;
    background-size: cover ;
    display: grid;
    place-items: center;
}
.game-info{
    color: white;
    position: absolute;
    top:3rem;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(255,255,255,0.15);
    border-radius: 1rem;
    border:1px solid rgba(255,255,255,0.25);
    padding: 0.5rem 3rem;
    text-align: center;

}
.tic-tak-toe{
    width: 90%;
    max-width: 20rem;
    background-color: rgba(255,255,255,0.15);
    border-radius: 1rem;
    border:1px solid rgba(255,255,255,0.25);
    padding: 2rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    aspect-ratio:1/1;
}
.box{
    position: relative;
    width: 100%;
    aspect-ratio: 1/1;
    cursor: pointer;
    font-size: 3rem;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
}
.box1 ,.box2,.box4,.box5{
    border-bottom: 2px solid white;
    border-right: 2px solid white;
}
.box3,.box6{
    border-bottom: 2px solid white;
}
.box7,.box8{
    border-right: 2px solid white;
}
.btn{
    color: white;
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(255,255,255,0.15);
    border-radius: 1rem;
    border: 1px solid rgba(255,255,255,0.25);
    padding: 0.5rem 2rem;
    cursor: pointer;
    display: none;
}
.btn.active{
    display: flex;
}
.win{
    background-color: rgba(0,255,0,0.3);
}