#css1:checked ~ #cssS1,
#html1:checked ~ #htmlS1,
#css2:checked ~ #cssS2,
#html2:checked ~ #htmlS2,
#css3:checked ~ #cssS3,
#html3:checked ~ #htmlS3
{
    display: block;
    border-bottom: thin solid black;
	padding-bottom: 2em;
}