Divisi di CSS
/*
Considering: 1rem = 10px
.7rem = 0.7rem
Note: Turns more easy calculating 1rem beeing 10px that the
font normal size that is 16px.
*/
Incorrect:
calc(100% - 3 * .7rem) / 4;
Correct:
calc((100% - 3 * .7rem) / 4);
Wide-eyed Wolf