Sure, it’s attainable to vary the styling of multi-select field particularly for iPhone/Safari through the use of CSS media queries. You should use the next CSS media question to focus on iPhone/Safari:
@media solely display screen and (max-device-width: 480px) and (-webkit-min-device-pixel-ratio: 2) {
/* add your CSS guidelines for iPhone/Safari right here */
}
You may add your CSS guidelines inside this media question to focus on the multi-select field on iPhone/Safari and elegance it accordingly. Needless to say totally different variations of Safari might have totally different conduct, so it is a good suggestion to check your types on a number of gadgets and browsers.
