.d_c {
  font-weight: bold;
}

.d_c_v {
  font-weight: normal;
}

.o_v_t {
  width: 100%;
}

.o_v_t tr:first-child {
  border-top: 1px solid #000;
  border-bottom: 2px solid #000;
}

.o_v_t tr.f td {
  border-top: 1px solid #000;
  border-bottom: 2px solid #000;
}

.o_v_t tr {
  height: 30px;
}

.o_v_t tr.f {
  font-weight: bold;
  height: 35px;
}

.o_v_t tr.l td {
  border-top: 2px solid #000;
  border-bottom: 1px solid #000;
  font-weight: bold;
  font-size: 24px;
}

.btn.ac {
  border-radius: 5px;
  margin-left: 5px;
}