body {
    margin: 0;
    overflow: hidden;
}

.buy {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(100, 100, 100, 0.8);
    text-align: center;
    padding: 20px;
    border-radius: 8px;
    width: 300px;
    z-index: 15;
    font-family: "Oswald", Arial, sans-serif;
}

.buy p {
    color: #fff;
    font-size: 15px;
    line-height: 1.5em;
}

.buy a {
    display: inline-block;
    text-align: center;
    font-size: 15px;
    line-height: 1.5em;
    color: #000;
    background-color: #fff;
    border: 1px solid #ccc;
    font-family: "Oswald", Arial, sans-serif;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-decoration: none;
    padding: 5px 25px;
    border-radius: 5px;
    margin-top: 10px;
}

.fliphtml-iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    z-index: 1;
}