styleAdmin.css

<style>
          
        
        #menu{    
            width: 100%;
            height: 100px;
        }
        body{
            background-image: url(pen.jpg);
            height: 100%;
            background-attachment: fixed;
            }
        #menu h1{
            font-family:monospace;
            line-height: 80px;
            text-align:center;
            font-size: 40px;
            color: white;
            background-color: #0076ff;
        }
          
        #div2{
            text-align: center;
            margin-top: 75px;
            height: 100%;
            width: 60%;
            float: left;
            color: red;
        }
        fieldset{
                width: 300px;
                border-color: #009270;
                font-size: 18px;
                height: 300px;
                text-align: center;
                font-family: sans-serif;
                color:red;
                background-color: #E3E6E3;
                display:inline-block;
            }
        table {
            border-collapse: collapse;
            width: 100%;
        }

        th{
            font-size: 20px;
            text-align: left;
            padding: 8px;
            text-align: center;
        }
    
        td {
            font-size: 20px;
            text-align: left;
            padding: 8px;
            text-align: center;
        }

        tr{
            font-size: 20px;
            background-color: #f2f2f2
        }

        th {
            font-size: 30px;
            background-color: #009270;
            color: white;
        }
        #button{
                border-color: goldenrod;
                text-align: center;
                width: 200px;
                height: 40px;
                background: #009270;
                color:white;
                font-size: 25px;
            }
        #button:hover{
                background-color: white;
                color:#009270;
            }
</style>