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

body{
    text-align: center;
    background-color: #161A30;
}
h2{
    text-align: center;
    padding-top: 5px;
    margin-bottom: 10px;
    margin-top: 50px;
    color: #b6bbc4;
    font-size: xx-large;
    
}
.area{
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 430px;
}
.playground{
    background-color: #31304D;
    display: flex;
    flex-wrap: wrap;
    height: 380px;
    width: 360px; 
    padding: 10px;
    justify-content: center;
    align-items: center;
    gap: 1px;
    border-radius: 10%;
    box-shadow: 2px 2px 10px #b6bbc4;
}
.box{
    background-color:#161A30;
    margin: 2px;
    height: 100px;
    width: 100px;
    box-shadow: 2px 2px 15px inset black;
    border-radius: 50%;
    text-decoration: none;
    border: none;
    color: #b6bbc4;
    font-size: 8vmin;
    margin: 5px;
}

.box:hover{
    background-color: #b6bbc4;
    border: none;
    transition: .15s;
    color: #161A30;
}
span{
    color: white;
    background-color: transparent;
    font-size: 40px;
    text-align: center;
}

.btn1{
    background-color: #b6bbc4;
    border-radius: 20px;
    text-align: center;
    height: 40px;
    width: 100px;
    font-size: 15px;
    font-weight: bolder;
    margin: 10px;
    border: 2px solid #b6bbc4;
}
.btn2{
    background-color: #b6bbc4;
    border-radius: 20px;
    text-align: center;
    height: 40px;
    width: 120px;
    font-size: 15px;
    font-weight: bolder;
    margin: 10px;
    border: 2px solid #b6bbc4;
    transition: 0.15s;
}

.btn2:hover{
    background-color: #31304D;
    color: #b6bbc4;
    border: 2px solid #161A30;
}

.msg{
    margin-top: 10px;
    margin-bottom: 0.1px;
    font-size: 20px;
    color: #b6bbc4;
    font-weight: bolder
}

.hide{
    display: none;
}