.fi { opacity: 0; transform: translateY(20px); transition: opacity .5s ease, transform .5s ease; }
.fi.v { opacity: 1; transform: translateY(0); }
.fi.delay-1 { transition-delay: .1s; }
.fi.delay-2 { transition-delay: .2s; }
.fi.delay-3 { transition-delay: .3s; }