#btn0,#btn1,#btn2,#btn3 {width: 100%;font-size: 20px;color: #fff;border: 1px solid #1D3C6A;margin: 10px 40px 10px 0px;padding: 10px 10px;background-color: #01BBFF;}
#question {text-align: center;}
#title {background-color: green;width: 100%;height: 10%;text-align: center;}
#quiz {width: 100%;height: 10%;}
#ques{display: none;}
#restart{margin-left: 5px;}