我希望“关于我”按钮位于右上方而不移动导航栏

This is my CSS:

这是我的CSS:

    <style>
    .imageBox {

            float: right;
        }
        .imageBox .hoverImg {
           position: relative;
            left: 0;
            top: 0;
            display: none;
            margin-right: 100px;
        }
        .imageBox:hover .hoverImg {
            display: block;
        }
     ul{ font-family: impact; font-size: 90px; list-style: none;}
        .div3{
    float:right;
    width:200px;
    height:200px;
    margin-top: 50px;
    margin-right: 500px;



    }
    a { color: #fff;}
    a:hover{color:orange; font-size: 100px;}
    </style>
    <style>
    .i