.submenu {
    float: left;
    margin: 5px ;
    padding: 5px ;
    background-color: white;
    border-color: gray;
    border-width: 1px ;
    border-style: solid ;
    box-shadow: 0 3px 3px rgba(0, 0, 0, 0.22);
}

.submenu ul{ 
    margin: 0; 
    padding: 0; 
    list-style: none; 
}

.submenu li{ 
    display: inline; 
    margin-top: 1px ;
}
.submenu li a{
    display: block; 
    border: 1px solid #9F99A3;
    background-color: #EEEEEE;
    padding: 3px 10px;
    text-decoration: none;
    color: #333;
    width: 120px; 
    margin: 5px 0px;
    text-align: left;
    font-size: 14px;
    border-radius: 5px;
    box-shadow: 0 3px 3px rgba(0, 0, 0, 0.22);
}

.submenu li a:hover{
    background: #9F99A3;
    color: white;
}