*
{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
body
{
    background-image: url(cd.jpg);
    background-size: cover;
    background-position: center;
    font-family: sans-serif;
}
.menu-bar
{
    background-color: rgb(0,100,0);
    text-align: center;
}
.menu-bar ul
{
    display: inline-flex;
    color: #fff;
    list-style-type: none;
}
.menu-bar ul li
{
    width: 150px;
    margin: 25px;
    padding: 10px;
}
.menu-bar ul li a
{
    color: #fff;
    text-decoration: none;
}
.active, .menu-bar ul li:hover
{
    background-color: #2bab02;
    border-radius: 15px;
}
.sub-menu-1
{
    display: none;
}
.menu-bar ul li:hover .sub-menu-1
{
    display: block;
    position: absolute;
    background-color: rgb(0,100,0);
    margin-top: 1px;
    margin-left: 1px;
    border-radius: 13px;
}
.menu-bar ul li:hover .sub-menu-1 ul
{
    margin: 10px;
    display: block;
}
.menu-bar ul li:hover .sub-menu-1 ul li
{
    margin: 15px;
    padding: 5px;
    border-bottom: 1px dotted #fff;
    text-align: left;
    background-color: transparent;

}
.menu-bar ul li:hover .sub-menu-1 ul li a:hover
{
 color: #2bff2b;
}
.menu-bar ul li:hover .sub-menu-1 ul li:last-child
{
    border-bottom: none;
}
.sub-menu-2
{
    display: none;
}
.hover-me:hover .sub-menu-2
{
    display: block;
    position: absolute;
    background-color: rgb(0,100,0);
    margin-top: 10px;
    margin-left: 100px;
    border-radius: 13px;
}
.sub-menu-3
{
    display: none;
}
.hover-us:hover .sub-menu-3
{
    display: block;
    position: absolute;
    background-color:rgb(0,100,0) ;
    margin-top: 10px;
    margin-left: 100px;
    border-radius: 13px;
}
.sub-menu-4
{
    display: none;
}
.hover-d:hover .sub-menu-4
{
    display: block;
    position: absolute;
    background-color: rgb(0,100,0);
    margin-top: 10px;
    margin-left: 140px;
    border-radius: 13px;
}