h1 {
        font-size: 25px;
        font-weight: bold;
    }
    
    h1 a {
        color: #000;
    }
    
    .logo{
        display: block;
        margin: 30px auto 50px auto;
    }

    #table {
        margin-top: 20px;
    }
    
    #table th,
    #table td {
        padding: 15px 20px 15px 20px;
    }
    
    #table th {
        background-color: #337ab7;
        color: #fff;
        border-color: #ccc;
    }
    
    #table .c1 {
        width: 12%;
    }
    
    #table .c2 {
        width: 35%;
    }
    
    #table .c3 {
        width: 30%
    }
    #table .c4{
        width:13%;
    }
    
    #table .tb_btn {
        padding-top: 10px;
        padding-bottom: 10px;
    }

    @media (max-width: 767px) { 
        #table .c3{
            display: none;
        }
    }
    
    @media (min-width: 768px) {
        .container {
            width: 750px;
        }
        #table .c3{
            display: table-cell;
        }
    }
   
    .container {
        margin: 50px auto;
    }
    
    #footer {
        font-family: arial, '宋体';
        font-size: 12px;
        color: #757474;
        padding: 10px 0;
        border-top: 1px solid #D0D0D0;
        line-height: 20px;
        text-align: center;
    }
    
    #footer a {
        color: #757474;
    }