*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
    html {
        height: 100%;
        background: #F7F7F7;
    }

    body {
        height: 100%;
        margin: 0;
        padding: 0;
        background: #F7F7F7;
        font-family: 'Open Sans', sans-serif;
    }

    header {
        height: 5%;
        display: flex;
        justify-content: space-between;
        align-items: center;
        background: #1D2C65;
        padding: 10px;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
    }

    header h1 {
        margin: 0;
        color: #fff;
        font-size: 20px;
        font-weight: normal;
        text-shadow: 1px 1px #333;
    }

    nav {
        display: flex;
        align-items: center;
    }

    nav ul {
        list-style: none;
        margin: 0;
        padding: 0;
        display: flex;
    }

    nav li {
        margin-left: 30px;
    }

    nav a,
    span {
        color: #fff;
        font-size: 14px;
        font-weight: bold;
        text-decoration: none;
        text-transform: uppercase;
        transition: color 0.2s ease-in-out;
        margin: 5px;
    }

    nav a:hover {
        color: #F7F7F7;
    }

    main {
        align-self: center;
        width: 80%;
        height: 89.5%;
        padding: 10px 20px;
        text-align: center;
        background: #fff;
        border-radius: 20px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
        margin: 5px 10%;
    }

    main h2 {
        color: #1E90FF;
        font-size: 28px;
        margin: 0 0 20px;
    }

    main p {
        font-size: 16px;
        line-height: 1.6;
        color: #444;
        margin: 0;
        padding: 0 20px;
    }

    footer {
        position: absolute;
        bottom: 0;
        width: 100%;
        height: 35px;
        background: #1D2C65;
        color: #fff;
        text-align: center;
        padding: 8px;
        box-shadow: 0 -5px 5px rgba(0, 0, 0, 0.3);
    }

    footer p {
        margin: 0;
        font-size: 14px;
    }

    footer a {
        text-decoration: none;
        font-weight: bold;
    }


    footer a:visited {
        color: #fff;
    }

    footer a:hover {
        text-decoration: none;
        font-weight: bold;
        color: orange;
        transition: all 0.3s ease;
    }

    footer span {
        margin-left: 50px;
        font-weight: bold;
    }

    .toolbar {
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 10px;
        border-radius: 10px;
        background-color: #fff;
        box-shadow: 0px 3px 10px rgba(0, 0, 0, 0.1);
        z-index: 5000;
    }

    .btn {
        display: flex;
        justify-content: center;
        align-items: center;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background-color: #f0f0f0;
        color: #555;
        font-size: 18px;
        margin-bottom: 10px;
        box-shadow: 0px 3px 10px rgba(0, 0, 0, 0.1);
        transition: all 0.3s ease;
    }

    #submenu,#submenu2 {
        position: absolute;
        left: 60px;
        width: 60px;
        background-color: #1E90FF;
        display:none;
        padding: 10px;
        border-radius: 0 10px 10px 0;
        background-color: #fff;
        box-shadow: 0px 3px 10px rgba(0, 0, 0, 0.1);
        z-index: 5000;
        transition: 0.3s;
    }
    #submenu{
        top: 0px;
    }
    #submenu2{
        top: 150px;
    }
    

    .btn:hover {
        background-color: #ccc;
        color: #333;
        box-shadow: 0px 3px 10px rgba(0, 0, 0, 0.2);
        transform: translateY(-2px);
    }

    .btn i {
        font-size: 20px;
    }

    i {
        font-style: normal;
        font-weight: bold;
    }

    .page {
        width: 40px;
        border-radius: 20%;
    }


    #app {
        width: 100%;
        height: 100%;
        display: flex;
        flex-direction: column;

    }

    #ggbContainer {
        align-self: center;
        width: 100%;
        height: 100%;

    }