style.css

select[id^='pinout_'] {
  border: 2px solid green;
  padding-left: 10px;
  color: green;
  height: 30px;
  width: 200px;
  background-color: #333;
  margin: 3px;
}

table {
  margin-left: auto;
  margin-right: auto;
}
body {
  background-color: #2c3e50;
}
select[disabled] {
  border: 2px solid grey;
  padding-left: 10px;
  color: red;
  height: 30px;
  width: 200px;
  background-color: #333;
  margin: 3px;
}

#td_right, #td_left {
	padding-top: 5px;
}

.jtag_phy {
  background-color: #ffab91;
}

.spi {
  background-color: #81d4fa;
}

.sd {
  background-color: #f9a825;
}

.pwm{
  background-color: #ffee58;
}
.i2c{
  background-color: #1976d2;
}
.uart{
  background-color: #7e57c2;
}

.gp{
  background-color: #66bb6a;
}

.voltage{
  background-color: #ef5350;
}

.analog{
  background-color: #aa00ff;
}

.spinor_nand{
  background-color: #bf360c;
}