.C_main {
  margin: 0;
  padding: 0;
  border: 0;
  box-sizing: border-box;
  color: inherit;
  scroll-behavior: smooth;
  border-spacing: 0;
  border-collapse: separate;
}

.C_main {
  display: flex;
  flex-flow: column nowrap;
  background-color: #353638;
}
.C_main_grid {
  display: grid;
  grid-template-columns: 1fr;
  padding-bottom: 2rem;
}

.C_heading {
  background: #3C3D40;
  border-radius: 5px 5px 5px 5px;
  border: 0px solid #000000;
  font-size: 1.5rem;
  font-weight: bold;
  padding: 1rem;
  margin-bottom: 1rem;
}

.C_sub_grid {
  display: grid;
  grid-template-columns: 0.5fr 2fr;
  grid-row-gap: 1.3rem;
}

.C_label {
  font-weight: bold;
  padding: 0.5rem;
}

.C_select {
  text-decoration: underline;
  cursor: pointer;
}

.C_value {
  background-color: rgb(40, 40, 40);
  padding: 0.5rem;
}

.C_textbox {
  color: white;
  background-color: rgb(40, 40, 40);
  padding: 0.5rem;
}

.C_button_holder {
  display: flex;
  flex-flow: row nowrap;
  padding-top: 0.5rem;
  justify-content: space-between;
}

.C_button {
  background-color: rgb(4, 4, 5);
  border-radius: 0.5rem 0.5rem 0.5rem 0.5rem;
  color: #CCCCCC;
  font-weight: bold;
  font-size: 1.3rem;
  font-family: Arial;
  cursor: pointer;
}