body {
            background-image: url("anhnen.jpeg");
            color: #006600;
            font-family: "Arial";
        }
        footer {
            z-index: 0;
            position: fixed;
            right: 0;
            bottom: 0;
            left: 0;
            padding: 0.5rem;
            background-color: #DDDDDD;
            text-align: center;
        }
        textarea {    
            font-size: 18px;
            font-family: "Time new roman";
            width: 100%; 
            height: 100%
        }
        a:link {
            text-decoration: none;
        }

        a:visited {
            text-decoration: none;
        }

        a:hover {
            text-decoration: underline;
        }

        a:active {
            text-decoration: underline;
        }
        table {
            z-index: 1;
            position: relative;
            border: 2px solid #006600;
        }
        td {
            border: 0.5px solid #006600;
        }
        table,tr,td{
            border-radius: 5px;
            font-size: 18px;
            font-family: "Time new roman";
            text-align: center;
            color: #002200;
            table-layout:fixed;
            word-wrap: break-word;

        }
        tr:hover{
            background-color: #DDDDDD;
        }