body{
    background-color:ivory;
    font-family: Arial, Helvetica, sans-serif;
    font-size: larger;
}

img{
    width: 700px;
    height: 400px;
    margin-left: 25%;
}

h1{
    text-align: center;
}

ul {
    list-style: none;
    display: grid;
    height: 50px;
    width: 100%;
    margin: auto;
    padding: 0px;
    font-family: monospace;
    color: White;
}

button {
    height: 50px;
    width: 100%;
    font-family: monospace;
    color: White;
    background-color: black;
}

    #SubMenu {
        display: none;
      }
      
      #MainMenu:hover #SubMenu {
        display: grid;
      }

      #buttonback:hover{
        background-color: white;
        color: black;
      }