.btn-check-history {
    padding: 7px 20px;
}

#dat-lich input:focus,
#dat-lich select:focus {
    -webkit-box-shadow: 0 0 0 0.2rem rgb(130 138 145 / 50%) !important;
    box-shadow: 0 0 0 0.2rem rgb(153 207 255 / 50%) !important;
}