.grid-trail-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: grid;
    grid-template-columns: repeat(40, 1fr);
    grid-template-rows: repeat(40, 1fr);
    z-index: 1; 
}

.grid-item {
    width: 100%;
    height: 100%;
    background-color: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: background-color 0.3s ease;
}