<font-awesome-icon icon="fa-regular fa-angle-down" />
<FontAwesomeIcon icon="fa-regular fa-angle-down" />
.my-icon::before {
font: var(--fa-font-regular);
content: "\f107";
}
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 384 512" style="width: 30px;height: 30px;fill: black">
<path d="M360.5 217.5l-152 143.1C203.9 365.8 197.9 368 192 368s-11.88-2.188-16.5-6.562L23.5 217.5C13.87 208.3 13.47 193.1 22.56 183.5C31.69 173.8 46.94 173.5 56.5 182.6L192 310.9l135.5-128.4c9.562-9.094 24.75-8.75 33.94 .9375C370.5 193.1 370.1 208.3 360.5 217.5z"/>
</svg>
<i class="fa-regular fa-angle-down"></i>