.level1{  
background-color:#03F;
border-radius: 20px; 
padding: 10px 5px;
font-size:24px;
font-family:"Courier New","黑体";
font-weight:bold;
}
.level2{  
background-color:#69F;
border-radius: 20px; 
padding: 10px 5px;
font-size:20px;
font-family:"Courier New","黑体";
font-weight:bold;
}
.level3{  
background-color:#2CCBBF;
border-radius: 20px; 
padding: 10px 5px;
font-size:16px;
font-family:"Courier New","黑体";
font-weight:bold;
}