#particles-js {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%; 
    height: 100%; 
    z-index: -1;
}

.fondoimagen {
    height: 100vh;  
    overflow: hidden;  
    background-size: cover; 
    background-position: center center;
    background-repeat: no-repeat; 
    background-attachment: fixed;
}

.wrapper {
    position: relative; 
    z-index: 2;  
    width: 100%; 
    height: 100vh; 
    display: flex;
    align-items: center;
    justify-content: center;
}

.card {
    background-color: rgba(255, 255, 255, 0.9); 
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    z-index: 2;  
}