Because fa-solid
has display: inline-block
by default (from this rule: display: var(--fa-display,inline-block)
the text-align:right
by itself won't work.
Here are a few solutions:
You can set the CSS vars --fa-display
there is built in in font-awesome CSS and add text-align: right
.fa-solid.fa-cart-shopping {
--fa-display: block;
text-align: right;
}
<script src="https://kit.fontawesome.com/d1950e8188.js" crossorigin="anonymous"></script>
<i class="fa-solid fa-cart-shopping"></i>
If you like flex, you can use display: flex; justify-content: flex-end;
.fa-solid.fa-cart-shopping {
display: flex;
justify-content: flex-end;
}
<script src="https://kit.fontawesome.com/d1950e8188.js" crossorigin="anonymous"></script>
<i class="fa-solid fa-cart-shopping"></i>