body {
    margin: 0;
    padding: 0;
    //background: #1a1a1a;
    //background-image: radial-gradient(#333, #000);
    background-image: url(background.jpg);
    background-repeat: repeat;
    font-family: "Vera Sans", sans-serif;
    color: #ccc;
    text-align: center;
}

#top {
    position: fixed;
    top: 10%;
    left: 0;
    width: 12%;
    height: 60px;
    background: rgba(20, 20, 20, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    border-bottom: 1px solid #333;
    box-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.bt {
    height: 40px;
    margin: 10px;
    cursor: pointer;
    transition: transform 0.2s;
}

.bt:hover { transform: scale(1.1); }

#container {
    margin-top: 30px; 
    padding-bottom: 50px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
}

.page-wrapper {
    box-shadow: 0 0 40px rgba(0,0,0,0.8);
    max-width: 95%;
    background-color: #fff;
}

.page-wrapper img {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid #000;
}

@media (max-width: 768px) {
    #top { height: 55px; font-size: 14px; width: 15%;}
    #page-counter-text {display :none;}
    .bt { height: 35px; }
    #container { margin-top: 10px; gap: 15px; }
}