body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #141e30, #243b55);
    margin: 0;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    overflow-x: hidden;
    overflow-y: hidden;
}

#button-container {
    width: 100%;
    text-align: center;
    margin-bottom: 25px;
    z-index: 100;
    position: relative;
}

.back-button {
    display: inline-block;
    padding: 12px 26px;
    font-size: 17px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-decoration: none;
    background: linear-gradient(45deg, #ff6b6b, #ffa502, #ff6b6b);
    background-size: 300% 300%;
    border-radius: 30px;
    color: #fff;
    cursor: pointer;
    box-shadow: 0 6px 12px rgba(255, 107, 107, 0.4);
    transition: all 0.3s ease;
    animation: gradientShiftBtn 4s ease infinite;
}

@keyframes gradientShiftBtn {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.back-button:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 8px 18px rgba(255, 107, 107, 0.6);
}

h1 {
    font-size: 28px;
    color: #ecf0f1;
    margin-bottom: 40px;
    text-align: center;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
    background:#ecf0f1;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: bold;
}

.static-layer {
    position: absolute;
    width: 200px;
    height: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    font-size: 26px;
    font-weight: bold;
    color: white;
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.4);
    padding: 10px;
    word-wrap: break-word;
    transition: transform 0.3s ease;
}

.static-layer:hover {
    transform: scale(1.05);
}

#top-layer {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    top: 150px;
    left: calc(50% - 250px);
    z-index: 20;
}

#bottom-layer {
    background: linear-gradient(135deg, #2980b9, #1f618d); 
    top: 200px;
    left: calc(50% + 50px);
    z-index: 5;
}

#movingImage {
    position: absolute;
    top: 175px;
    left: calc(50% - 400px);
    width: 300px;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    z-index: 10;
    animation: floatImage 2s ease-in-out infinite alternate;
}

@keyframes floatImage {
    from { transform: translateY(0); box-shadow: 0 10px 25px rgba(0,0,0,0.5); }
    to { transform: translateY(-8px); box-shadow: 0 15px 30px rgba(0,0,0,0.6); }
}