style.css

*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

html{
    background-color: #000000;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

.heading{
    color: #50E2D8;
    margin: 2vw 0vw;
    text-align: center;
    font-size: 3vw;
}

.new_game{
    background-color: #F77575;
    border: none;
    color: #EEE2DE;
    padding: 0.75vw 0.5vw;
    font-size: 1.5vw;
    border-radius: 1.5vw;
    cursor: pointer;
}

.details{
    display: flex;
    width: 30vw;
    justify-content: space-between;
    align-items: center;
    margin: 2vw auto;
}

.timer_and_moves{
    color: #FFAD4C;
    display: flex;
    width: 15vw;
    justify-content: space-between;
}

.timer p , .moves p{
    font-size: 1.5vw;
}

.timer h2 , .moves h2{
    font-size: 2vw;
}

.buttons{
    width: 30vw;
    display: flex;
    justify-content: space-between;
    margin: auto;
}

.pause_timer , .resume_timer{
    border: none;
    font-size: 1.5vw;
    font-weight: 600;
    color: #fff;
    border-radius: 1vw;
    padding: 0.5vw;
    width: 12vw;
    cursor: pointer;
}

.pause_timer{
    background-color: #F77575;
}

.resume_timer{
    background-color: green;
}

/*Box*/
.box{
    margin: 2vw auto;
    border: 1.5vw solid #425154;
    position: relative;
}

.number-tile{
    position: absolute;
    justify-content: center;
    display: flex;
    align-items: center;
    color: white;
    border-radius: 0.5vw;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    cursor: pointer;
    font-size: 1.25vw;
    z-index: 1;
    transition: opacity 1s ease;
}

.gamebox{
    width: 45vw;
    margin: 0 auto;
    position: relative;
}

/*Play button*/
.play{
    position: absolute;
    top: 0;
    left: 7.5vw;
    z-index: 2;
    background: radial-gradient(rgb(255,255,255,0.5), rgba(255,255,255,0.25));
    width: 30vw;
    height: 30vw;
}

.play_button{
    border: none;
    margin: 11.5vw 0vw 0 12vw;
    background-color: white;
    padding: 1.55vw;
    border-radius: 5vw;
    cursor: pointer;
    z-index: 4;
}

.bi-caret-right{
    font-size: 3vw;
}

/*win section*/

.win_stats{
    color: #50E2D8;
    text-align: center;
    width: 45vw;
    margin: 6vw auto;
    display: none;
}
.win_stats a{
    text-decoration: none;
    color: white;
}
.win_stats h1{
    color: #B31312;
    margin: 0 0 4vw 0;
    font-size: 5vw;
}

.win_stats p{
    font-size: 3vw;
    margin: 2vw 0vw;
}

.new-game , .home{
    border: none;
    padding: 1vw 10vw;
    margin: 1vw 0vw;
    font-size: 2vw;
    color: white;
    border-radius: 1vw;
    cursor: pointer;
}

.homenav{
    display: flex;
    flex-direction: column;
}

.new-game{
    background-color: rgb(61, 199, 61);
}

.new-game:hover{
    outline: 0.2vw solid rgb(61, 199, 61);
    outline-offset: 0.4vw;
}

.home{
    background-color: #B31312;
}

.home:hover{
    outline: 0.2vw solid #B31312;
    outline-offset: 0.4vw;
}