body{   
        background: #eee;  
    }  
    #frm{  
        border: solid gray 1px;  
        width:25%;  
        border-radius: 2px;  
        margin: 120px auto;  
        background: white;  
        padding: 50px;  
    }  
    #btn{  
        color: #fff;  
        background: #337ab7;  
        padding: 7px;  
        
    }