body{
    font-family: Georgia, 'Times New Roman', Times, serif;
    text-align: center;
    background-color: hsl(0, 47%, 85%);
    font-weight: bold;
}
#container{
    background-color: hsl(0, 47%, 90%);
    min-width: 250px;
    margin: auto;
    padding:20px;
    border-radius: 60px;
    position: absolute;
    top:50%;
    left:50%;
    transform: translate(-50%,-50%);
}
#num{
    text-align: center;
    max-width: 100px;
    border: 3px solid black;
    font-weight: bold;
    margin-bottom: 5px;
}
#btn{
    color: white;
    background-color: hsl(228, 82%, 57%);
    padding: 2px 7px;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
}
#btn:hover{
    background-color: hsl(228, 82%, 47%);
}
#btn:active{
    background-color: hsl(228, 82%, 40%);
}
#dr{
    margin: 20px;
}
img{
    max-width: 100px;
    padding: 5px;
}