Text Colour change

Hi, I would like to change the the colour of some of the text on my home page from grey to a shade of blue (#B1D4E0 in hex colour code). How could I go about doing this? It is the words 'bigger' and '<span class="OYPEnA text-decoration-none text-strikethrough-none">Elite Eagles Capital is the Management Fund For You' over the video that I would like to change the colour of.</span> My site URL is eliteeaglescapital.com