.three_inner {
  width: auto;
  margin: auto;
  padding: 10px 0;
}
.three {
  border-bottom: solid 1px hsl(0, 0%, 80%);
  padding: 10px 0;
display: none;
}
.line_v {
  	border-bottom: 1px dashed var(--deep_dark);
}
.three_container {
    display: grid;
	width: 100%;
	margin: auto;
}


@media only screen and (min-device-width: 1200px) {
  .three_inner {
    width: auto;
    margin: auto;
    padding: 10px 0;
  }
  .three {
    border-bottom: solid 1px hsl(0, 0%, 80%);
    padding: 10px 0;
display: none;
  }
  .line_v {
    width: 1px;
    border-left: solid 1px hsl(0, 0%, 80%);
  }
  .three_container {
      display: flex;
  	width: 1200px;
  	margin: auto;
  }
}