<style>
/* Hide icons for PDF and JPG links */
main a[href$="PDF"]:before, 
main a[href$="pdf"]:before, 
main a[href$="JPG"]:before, 
main a[href$="jpg"]:before,
main li a[href$="PDF"]:after, 
main li a[href$="pdf"]:after, 
main li a[href$="JPG"]:after, 
main li a[href$="jpg"]:after {
    display: none;
}

/* Hide icons for links containing .com */
main a[href*=".com"]::before, 
main li a[href*=".com"]::after {
    display: none !important;
}
</style>