.menu >ul{
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    background-color: #0000ff;
    width: fit-content;
}
.menu >ul >li{
    border-right: 1px solid #ffffff;
}

.menu >ul >li >a{
    display: block;
    color: #ffffff;
    text-align: center;
    padding: 10px 20px;
    text-decoration: none;
}

.menu > ul > li > a:hover{
    background-color: bisque;
    color: #000000;
}
.menu2{
    position: relative;
}
.submenu{
    list-style: none;
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    padding: 0;
    margin: 0;
    width: 200px;
    background-color: #0000ff;
    z-index: 10;
}

.submenu ul li{
    display: block;
    border-right: none;
    border-top: 1px solid #ffffff;
}
.submenu li a{
    display: block;
    color: #ffffff;
    padding: 10px 20px;
    text-decoration: none;
}
.submenu li a:hover{
    background-color: bisque;
    color:#000000
}
.menu2:hover .submenu{
    display: block;
}
.submenu1{
    list-style: none;
    display: none;
    position: absolute;
    left: 100%;
    top: 0;
    padding: 0;
    margin: 0;
    width: 200px;
    background-color: #0000ff;
    z-index: 10;
}
.menu3{
    position: relative;
}
.menu3:hover .submenu1{
    display: block;
}