body{
    margin:0;
    padding:0;
    user-select:none;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}
.body {
    height:100vh;
    width:100vw;
    display:flex;
    align-items:center;
    justify-content:center;
    flex-direction:column;
    background-color:#f5f5f5;
}
#game_card{
    height:260px;
    width:300px;
    background-color:#252525;
    border-radius:20px;
    display:flex;
    align-items:center;
    justify-content:center;
    flex-direction:column;
    min-height:240px;
}
#ans{
    background-color:#353535;
    height:40px;
    border:none;
    text-decoration:none;
    outline:none;
    color:#fff;
    border-radius:10px;
    text-align:center;
}
#button{
    width:200px;
    height:50px;
    background-color:#000;
    margin-top:30px;
    border-radius:10px;
    display:flex;
    align-items:center;
    justify-content:center;
    color:#fff;
    font-weight:bold;
}
#button:hover{
    background-color: #f5f5f5;
    color: #000;
    font-size: 18px;
    cursor: pointer;
}
#ready{
    width:200px;
    height:50px;
    background-color:#000;
    border: 2px solid #000;
    border-radius:10px;
    margin-bottom:20px;
    display:flex;
    align-items:center;
    justify-content:center;
    color:#fff;
    font-weight:bold;
    min-height:40px;
    font-size: 20px;
}
#ready:hover{
    background-color: #f5f5f5;
    color: #000;
    border: 2px solid #000;
    cursor: pointer;
}
#num{
    width:300px;
    height:50px;
    background-color:#252525;
    margin-bottom:20px;
    border-radius:10px;
    color:#fff;
    font-weight:bold;
    display:flex;
    align-items:center;
    justify-content:center;
}
#score{
    margin-bottom:20px;
    color:#fff;
    font-weight:bold;
    font-size: 20px;
}
#card{
    height:100vh;
    width:100vw;
    display:flex;
    align-items:center;
    justify-content:center;
    display:none;
    background-color:#f5f5f5;
}
.card{
    height:360px;
    width:300px;
    background-color:#252525;
    display:flex;
    align-items:center;
    justify-content:center;
    flex-direction:column;
    border-radius:20px;
    color:#fff;
}
.card p{
    color:#fff;
    position:relative;
    font-size:20px;
    font-weight:bold;
}
#btn{
    font-size:20px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-weight:bold;
    height:50px;
    width:120px;
    background-color:#000;
    border-radius:8px;
    color:#fff;
}
#btn:hover{
    background-color: #f5f5f5;
    color: #000;
    cursor: pointer;
}