#mainmenu {
    display: flex;
    list-style: none;
    padding: 2px;
    margin: 0;
    height: 45px;
    white-space: nowrap;
}

#mainmenu li {
    position: relative;
    float: left;
    height: 36px;
    padding: 0px;
    margin: 0px;
    transition: all 0.25s linear 0s;;
}

#mainmenu li a {
    padding: 12px;
    font-size: 17px;
    font-family: "PF Din Text Cond Pro";
    color: rgb(51, 51, 50);
    line-height: 1.2;
    text-decoration: none;
    display: block;
    font-weight: 400;
}

#mainmenu li:hover a,
#mainmenu li.hover a,
#mainmenu li.selected a {color: #00639c;}

#mainmenu li:hover,
#mainmenu li.hover,
#mainmenu li.selected {
    box-shadow: 0 -10px 0px -8px #00639c inset;
}
#mainmenu li:hover ul li a{
    color: #000;
    border-bottom: 1px solid #eaeaea;
}
/* Выпадающие пункты */
#mainmenu li ul {
    position: absolute;
    left: 0;
    top: 36px;
    font-size: 12px;
    display: none;
    list-style: none;
    padding: 0px;
    margin: 0px;
    width: 150px;
}

#mainmenu li ul li {
    background-color: #fff;
    position: relative;
    left: 0;
    display: list-item;
    float: none;
    height: auto;
    margin: 0px;
    text-align: left;
    box-shadow: none !important;
}

#mainmenu li ul li a {
    padding: 6px 5px;
}
#mainmenu li ul li:hover{
    background: #00639c;
}
#mainmenu li ul li:hover a{
    color: #fff;
}
#mainmenu li ul li:hover,
#mainmenu li ul li.hover {
    /*background-color: #444;*/
}

#mainmenu li:hover ul,
#mainmenu li.hover ul {display:block;}