#wrapper { position: relative; z-index: 1; } .logo img { width: 64px; height: auto; } .icon-security { width: 48px; height: 48px; fill: white; display: inline-block; object-fit: contain; } .icon-container { display: flex; align-items: center; justify-content: center; width: 48px; height: 48px; overflow: visible; } .the-slider img { width: 90%; height: auto; margin: 0 auto; border-radius: 10px; } #particles-js { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 1; /* This value must be lower than other elements! */ }