/* Hover v1-4 */ .u-btn-hover-v1-4::after {
top: 0; left: 0; width: 0; height: 100%;
} .u-btn-hover-v1-4:hover::after {
width: 100%;
}
/* Hover v1-4 */ .u-btn-hover-v1-4::after {
top: 0; left: 0; width: 0; height: 100%;
} .u-btn-hover-v1-4:hover::after {
width: 100%;
}