body {
            /* background-color: #000000;
            background-image: url('pattern.svg');
            background-repeat: repeat;
            background-size: 420px auto;
            color: #72ff72;*/

            background-image: url(../img/telegram/telegram-bg.jpg);
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            height: 100vh;
            margin: 0;
            font-family: Arial, sans-serif;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background-color: #0088cc;
            padding: 10px 15px;
            color: white;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
            background: rgba(255, 255, 255, 0.863);
        }
        .header .logo {
            font-size: 20px;
            font-weight: bold;
        }
        .header .download-button {
            background-color: #2481cc;
            color: white;
            border: none;
            padding: 8px 15px;
            font-size: 14px;
            font-weight: bold;
            border-radius: 17px;
            cursor: pointer;
            margin-right: 30px;
            transition: all .15s ease .15s;
            text-transform: uppercase;
            font-family: 'Roboto', sans-serif;
            height: 34px;
        }
        .card {
            background: white;
            padding: 15px;
            border-radius: 16px;
            text-align: center;
            max-width: 400px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
            position: absolute;
            top: 360px;
            left: 50%;
            transform: translate(-50%, -50%);
            margin: 16px auto;
            
        }
        .card img {
            width: 122px;
            height: 122px;
            border-radius: 61px;
        }
        .card h2 {
            font-size: 26px;
            line-height: 32px;
            font-weight: bold;
            text-align: center;
            color: #000000;
            font-family: 'Roboto', sans-serif;
        }
        .card h3 {
            font-size: 16px;
            line-height: 25px;
            text-align: center;
            margin: 0px 10px 0px;
            padding: 0;
            font-weight: 400;
        }
        .card p {
            font-size: 15px;
            line-height: 18px;
            text-align: center;
            
            color: #7d7f81;
            font-family: 'Roboto', sans-serif;
        }
        .card button {
            background: #0088cc;
            color: white;
            border: none;
            padding: 10px;
            width: 60%;
            border-radius: 22px;
            cursor: pointer;
            line-height: 17px;
            padding: 13px 24px;
            margin-top: 40px;
            font-weight: 700;
            font-family: 'Roboto', sans-serif;
        }
        .card button:hover {
            background: #0077b6;
        }

        @media (max-width: 600px) {
            .card {
                width: 100%;
                margin: 0px;
            }
            .card h2 {
                font-size: 22px;
            }
            .card h3 {
                font-size: 15px;
            }
            .card p {
                font-size: 14px;
            }
            .card button {
                text-decoration: solid;
                font-size: 16px;
                padding: 12px 15px;
                
            }
        }
        .btntxt{
            letter-spacing: -0.04em;
            color: white;
            text-transform: uppercase;
            text-decoration: solid;
            font-weight: 700;
            font-size: 14px;
        }