.form_button {
font-size: 0.875rem!important;
font-weight: bold!important;}

.form_button::before {
height: 100%important;
top: 0!important;
opacity: 0!important;
}

.form_button:hover::before {
opacity: 1!important;
animation: button 0.3s ease forwards !important;
}

@keyframes button {
0%
{transform-origin: 50% 100%;
transform:scale3d(1,0.045,1); }
50%
{transform-origin: 50% 100%;
transform:scale3d(1,1,1); }
51%
{
transform-origin: 50% 0%;
transform:scale3d(1,1,1); }
100%
{
transform-origin: 50% 0%;
transform:scale3d(1,0.045,1); }
}

.form_button::after {
content: "!important;
transition: opacity 0.3s !important;
}

.form_button:hover::after {
opactiy: 0!important;
}