body {
    height: 100%;
    color: #ffffff;
    background: url("./bg.jpg");
    font-family: Arial;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
    overflow: hidden;
}


#btn, input[type=submit] {
    cursor: default;
    color: #000000;
    border: 2.5px solid darkgrey;
    border-radius: 25px 15px;
    background: linear-gradient(white, lightgrey);
    padding: 5px;
    margin: 5px;
    text-decoration: none;
}
#btn:hover, input[type=submit]:hover {
    cursor: default;
    color: #880000;
    border: 2.5px solid darkgrey;
    border-radius: 25px 15px;
    background: linear-gradient(lightgrey, darkgrey);
    padding: 5px;
    margin: 5px;
    text-decoration: none;
}

#wrapper {
    top: 0px;
    left: 0px;
    position: fixed;
    width: 100%;
    height: 100%;
    align-content: center;
}

#inner {
    text-align: center;
    position: fixed;
    left: 10%;
    top: 0px;
    width: 80%;
    height: 72px;
    padding: 0px;
    background-color: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    box-sizing: border-box;
    border: 5px solid green;
    border-radius: 25px;
}

#content {
    overflow: auto; /* If content is larger than the content box */
    position: fixed;
    left: 7.5%;
    top: 75px;
    width: 85%;
    height: calc(100% - 77px); /* including the borders */
    box-sizing: border-box;
    background-color: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(5px) brightness(85%);
    -webkit-backdrop-filter: blur(5px) brightness(85%);
    border: 5px solid green;
    border-radius: 25px;
    padding: 15px;
    filter: drop-shadow(5px 5px 5px black);
    -webkit-filter: drop-shadow(5px 5px 5px black);
}

#content::first-letter {
    font-size: 32px;
    color: yellow;
    font-family: 'Times New Roman', Times, serif;
}