.K_Law_Currents { overflow:hidden; position:relative; width:600px; height:220px;
  border:1px solid #3f7f00; Float:right; margin-left:15px; /* margin-right:auto; */ margin-bottom:10px; }

.K_Law_Voltage { overflow:hidden; position:relative; width:560px; height:220px;
  border:1px solid #3f7f00; Float:right; margin-left:15px; /* margin-right:auto; */ margin-bottom:10px; }

.Law_1 { overflow:hidden; position:relative; float:left; border:1px solid green;
  margin-right:15px; margin-bottom:25px; width:400px; height:250px; background-color:#C6F7BD; }

.Law_2 { overflow:hidden; position:relative; float:left; border:1px solid green;
  margin-right:15px; margin-bottom:25px; width:400px; height:255px; background-color:#C6F7BD; }

.kirchoff_table {width: 50%; float: right; margin-left:15px; margin-top:0px; }

.Volts { overflow:hidden; position:relative; width:900px; height:340px;
  border:1px solid #3f7f00; margin-left:auto; margin-right:auto; margin-bottom:10px; }

.kirchoff_table {
  border-collapse: collapse; /* 'cellspacing' equivalent */
  border: solid 1px #000000;
	padding: 0px;
	width: 100%;
	margin-left:auto; margin-right:auto;
	margin-top:20px; margin-bottom:20px; }

.kirchoff_table tr { vertical-align: middle; }
.kirchoff_table td { border: solid 0px #000000; text-align: center; padding: 4px 10px 4px 10px;}
.kirchoff_table td select { color: #0000af; text-align: center; background: #ffffcc; }
.kirchoff_table td input { color: #0000af; text-align: center; background: #ffffcc; }