#top {
    /*background-image: url(../images/nitrog3n_logo.png);*/
    /*background-position: 50px -2px;*/
    /*background-size: 240px 111px;*/
    /*background-repeat:no-repeat;*/
    background-color: #141414;
    position: relative;
    /* margin-top: 18px; */
    height: 160px;
    width: auto;
    /* border-bottom: solid 1px #141414; */
    box-shadow: 0px 1px 15px rgba(0, 0, 0, 0.4);
    visibility: visible;
}

#top #logo {
    width: 266px;
    height: 123px;
    margin-left: 50px;
    margin-top: 12px;
    background-color: #141414;
    background-image: url(../images/nitrog3n_logo.png);
    background-size: 266px 123px;
    /* box-shadow: 0px 1px 6px rgba(0,0,0,0.6); */
    transition-duration: 300ms;
    position: absolute;
}

#slogan {
    position: absolute;
    display: none;
    color: #8b8c98;
    font-size: 9pt;
    font-family: Quicksand, arial, sans-serif;
    top: 133px;
    left: 80px;
}

#top ul {
    /* float: right; */
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    margin-top: 57px;
    /* margin-right: 27px; */
    position: absolute;
    right: 27px;
}

#top ul {
    list-style: none;
}

#top ul li {
    float: left;
    margin-right: 22px;
    text-transform: lowercase;
    font-family: Quicksand, sans-serif;
    letter-spacing: -1px;
    font-size: 16pt;
    font-weight: bold;
    color: #2e2e2e;
    height: 45px;
}

#top ul li.active {
    /* border-bottom:solid 3px #409EC9; */
    border-bottom: solid 3px #00ffb8;
}

#top ul li.active a {
    color: #e2e2e2;
}

#top ul li a {
    text-decoration: none;
    color: #70738f;
    transition-duration: 200ms;
}

#top ul li a:not(:focus):hover {
    color: #17b969;
}

#top ul li a:not(:focus):hover {
    color: #ffffff;
}

#top ul li:focus:hover {
    border-bottom: solid 3px #2b376a;
}

.menu-icon {
    display: block;
    width: 35px;
    height: 33px;
    /* background-color: #000000; */
    background-image: url(../images/svg.gif);
    filter: grayscale() brightness(5);
    background-repeat: no-repeat;
    background-size: 75%;
    background-position: 50% 25%;
    /*
  -webkit-filter:invert(1);
  filter:invert(1);
  */
    /* box-shadow: 0px 0px 90px #000; */
    opacity: 0.88;
}

.menu-icon:hover {
    cursor: pointer;
}

@media screen and (max-width: 777px) {
    .menu-item {
        display: none;
    }

    .menu-icon {
        width: 60px;
        height: 60px;
        margin-top: -10px;
        margin-right: 8px;
    }
}

@media screen and (max-width: 500px) {
    #top .menu-icon {
        width: 60px;
        height: 60px;
        margin-top: -10px;
        margin-right: -16px;
    }

    #top #logo {
        margin-left: 10px;
    }
}