.course-file-field .custom-file-control:empty::before{content:"Choose a file to upload"}.course-file-field .custom-file-control::after{display:none}#logo-file-field .custom-file-control:empty::before{content:"Select an image"}#logo-file-field .custom-file-control::after{display:none}#image-file-field .custom-file-control:empty::before{content:"Click here to browse for an image."}#image-file-field .custom-file-control::after{display:none}