.anchor
{
  display: block;
  height: 115px; /*same height as header*/
  margin-top: -115px; /*same height as header*/
  visibility: hidden;
}

.btndis
{
  opacity: 0.6;
  cursor: not-allowed;
}

.lower_red
{
  background: linear-gradient(to right, red 10%,         transparent 10%);
}

.lower_red_act
{
  background: linear-gradient(to right, red 10%,         #800020 10%);
}

.lower_yellow
{
  background: linear-gradient(to right, yellow 10%,      transparent 10%);
}

.lower_yellow_act 
{
  background: linear-gradient(to right, yellow 10%,      #800020 10%);
}

.upper_green
{
  background: linear-gradient(to right, transparent 90%, green 90%);
}

.upper_red
{
  background: linear-gradient(to right, transparent 90%, red 90%);
}

.upper_yellow
{
  background: linear-gradient(to right, transparent 90%, yellow 90%);
}