body {
    background-color: #fff;
}
 
.grid {
    width: 600px;
    height: 600px;
    margin: auto;
    background:url(5.JPG);
    padding: 2px 2px 2px 2px;
    border: 2px solid #3CB371;
    border-radius: 20px;
    background-repeat:no-repeat;
    background-position:center;
}
 
.grid h1 {
    font-family: "sans-serif";
    background-color:#0c8a06;
    border-radius: 10px;
    font-size: 60px;
    text-align: center;
    color: #fff;
    padding: 2px 0px;

    }
.grid h2 {
    font-family: "sans-serif";
    background-color:#8a1306;
    border-radius: 10px;
    font-size: 60px;
    text-align: center;
    color: #fff;
    padding: 2px 0px;
  }
.grid h3 {
    font-family: "sans-serif";
    background-color: #a5c4b3;
    font-size: 60px;
    text-align: center;
    color: #fff;
    padding: 2px 0px;
    
}
 
#score {
    color: #a5c4b3;
    text-align: center;
    font-size: 30px;
}
 
.grid #question {
    font-family: "monospace";
    background-color: #a5c4b3;
    border-radius: 10px;
    font-size: 30px;
    color:#fff;
}
 
.buttons {
    margin-top: 30px;
}
 
#btn0, #btn1, #btn2, #btn3 {
    background-color: #2c6947;
    width: 250px;
    font-size: 20px;
    color: #fff;
    border: 1px solid #1D3C6A;
    margin: 10px 40px 10px 0px;
    padding: 10px 10px;
   border-radius: 10px;
}
 
#btn0:hover, #btn1:hover, #btn2:hover, #btn3:hover {
    cursor: pointer;
    background-color: #FF0000;
}
 
#btn0:focus, #btn1:focus, #btn2:focus, #btn3:focus {
    outline: 0;
}
 
#progress {
    color: #fff;
    font-size: 24px;
}