.flex_row, .C_heading {
  display: flex;
  flex-flow: row nowrap;
}

.flex_col, .C_body, .C_main {
  display: flex;
  flex-flow: column nowrap;
}

.fill, .C_body {
  width: 100%;
  height: 100%;
}

.C_main {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: rotate(0deg) translate(-50%, -50%);
  z-index: 10;
  box-shadow: 4px 4px 17px 0px var(--color_shadow);
  background-color: var(--color_3);
  border-radius: 0.2rem;
  width: -moz-min-content;
  width: min-content;
  justify-content: stretch;
  min-width: 30rem;
  max-height: 50dvh;
}
@media only screen and (orientation: portrait) {
  .C_main {
    max-height: 80dvh;
    width: 100%;
    height: 100%;
  }
}

.C_heading {
  width: 100%;
  font-weight: bold;
  font-size: var(--sizeMD);
  background-color: var(--color_3_dark);
  color: var(--color_text_light);
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  cursor: move;
}

.C_body {
  overflow: hidden;
  padding: 0.5rem;
  overflow-y: auto;
}

.C_text {
  width: -moz-max-content;
  width: max-content;
  -webkit-user-select: none;
     -moz-user-select: none;
          user-select: none;
  padding-left: 1rem;
  padding-right: 1rem;
  white-space: nowrap;
}

.C_close {
  width: 2rem;
  fill: var(--color_text_light);
  -webkit-user-select: none;
     -moz-user-select: none;
          user-select: none;
  cursor: pointer;
}

.C_blackout {
  display: inline-block;
  position: fixed;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100%;
  z-index: 9;
  background-color: rgba(0, 0, 0, 0.767);
}