Gatsu This line is your problem
background: linear-gradient(rgba(0,0,0,0.95), rgba(0,0,0,0.45)),url(/assets/bg.jpg) !important;
You're using a background image, but applying a gradient to darken it. Replace the CSS so it looks like this
However, taking this approach makes the white text difficult to read in my view. You may want to consider using
text-shadow as a means of making the text easier to read if you remove the overlay gradient.