header {
    background: rgb(0,0,0);
    box-shadow: rgb(50,50,50);
    color: white;
    display: flex;
    align-items: center;
    height: 23px;
    font-family: 'Roboto Mono';
    z-index: 100;
    position: fixed;
    top: 0px;
    width: calc(100% - 40px);
    padding: 10px 20px;
    margin-bottom: 2px;
}
header h1 {
    margin: 0;
    font-size: 1.2rem;
    user-select: none;
}

nav {
    padding: 0;
    margin: 0;
    user-select: none;
    margin-left: auto;
}

nav ul {
    list-style: none;
    display: flex;
    background: rgb(0,0,0);
    z-index: 5;
    padding: 0;
    margin: 0;
}
nav li {
    margin-right: 6px;
}
nav ul li a {
    text-decoration: none;
    font-weight: bold;
    color: rgb(150, 150, 150);
    display: block;
    margin-left: 50px;
    font-size: 20px;
}
nav ul li a.curcat {
    color: rgb(200, 170, 0);
}
nav ul li a.curcat:hover {
    color: rgb(255,215,0);
}

nav ul li a.curparent {
    color: rgb(255, 215, 100);
}
nav ul li a.curparent:hover {
    color: rgb(255, 235, 150);
}
nav a:hover {
    color: #ffffff;
    text-shadow: #cababa;
}
header ul li ul li {
    display: block;
}
header ul li ul {
    width: 200px;
    background: #000000;
    position: absolute;
    z-index: 4;
    display: none;
}

header ul li:hover ul {
    display: block;
}

.nbitem {
    scrollbar-width: none;
}
.nbitemNA {
    scrollbar-width: none;
    color: rgb(100, 0, 0)
}

.marquee-container {
    overflow: hidden;
    white-space: nowrap;
    flex: 1;
    margin: 0 20px;
}

.marquee-text {
    display: inline-block;
    padding-left: 100%;
    font-size: 20px;
    animation: marquee 10s linear infinite;
    user-select: none;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-100%); }
}