body {
        font-family: Arial, Helvetica, sans-serif;
		background-color: black;
    }

    .flex-container {
        display: flex;
        justify-content: center;
    }

    .outer {
        max-width: 1024px;
        background-color: whitesmoke;
        margin-left: auto;
        margin-right: auto;
        background-image: url(asset/bg_new.png);
        background-size: 100%;
        background-repeat: no-repeat;
        background-position: center top;
        background-color: black;
        /* border-radius: 20px; */
        /*height: 100vh;*/
    }

    .flex-column {
        flex-direction: column;
        flex-grow: 1;
		max-width: 1024px;
    }

    .flex-row {
        display: flex;
        flex-direction: row;
        justify-content: space-between;
    }


    .flex-row_btn {
        display: flex;
        flex-direction: row;
        /* justify-content: center; */
        text-align: start;
        gap: 20px;
        padding-left: 16px;
    }

    .flex-column_btn {
        display: flex;
        flex-direction: column;
        justify-content: center;
        flex-grow: 1;
    }

    .center {
        display: flex;
        justify-content: center;
        align-items: center;
        flex-direction: column;
    }

    .content {
        margin-top: 50vmin;
    }

    .big_text {
        margin-top: 10vw;
        margin-left: 6.5vw;
    }

    .div_image_logo {
        max-width: 180px;
    }

    .div_image_btn {
        margin-top: auto;
        margin-bottom: auto;
        margin-left: 4px;
        width: 52px;
        height: 52px;
    }

    .image {
        width: 100%;
        height: 100%;
        height: auto;
    }

    .logo_lang {
        max-width: 20px;
        height: auto;
    }

    .title_color {
        color: #1360F9;
    }

    .btn_mod {
        background-image: url(asset/bg_btn.png);
        background-size: cover;
        background-repeat: no-repeat;
        background-position: bottom center;
        border-radius: 4vw;
        width: 80vw;
        height: min-content;
        min-height: 80px;
        color: white;
        padding-top: 10px;
        padding-bottom: 10px;
        margin-bottom: 24px;
		max-width: 800px;
    }


    .btn-check:checked+.btn,
    .btn.active,
    .btn.show,
    .btn:first-child:active,
    :not(.btn-check)+.btn:active {
        background-color: #00B3C1 !important;
        border-color: #00B3C1;
    }