html {
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

#main-header.scroll-hide {
    transform: translateY(-100%);
}

#main-header.scroll-show {
    transform: translateY(0);
}

iframe {
    width: 100%;
    height: 100%;
    min-height: 400px;
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #999;
}