I was able to change it after using the Inspector Tool (as explained here) to find the exact CSS elements :
In custom.css :
.extensions__pdf-container[data-theme=dark] .textLayer {
background-color: #23262C;
filter: invert(100%);
}
I was able to change it after using the Inspector Tool (as explained here) to find the exact CSS elements :
In custom.css :
.extensions__pdf-container[data-theme=dark] .textLayer {
background-color: #23262C;
filter: invert(100%);
}