body {
  #background-color: pink;
}

.bl {
  background-color: #C1FFFF;
}

.yl {
  background-color: #FFFFB0;
}

.tri {
  font-family: Arial;
  font-weight: bold;
  font-size: large;
  color: #FF0099;
  text-align: center;
}  

 
A {
  font-family: Verdana;
  font-weight: bold;
  font-size: x-small;
  color: #6600CC;
  background-color: #FFCCFF;
}

A:hover {
  font-family: Verdana;
  font-weight: bold;
  font-size: x-small;
  color: #FFFFFF;
}

.over {
  background-color: #FFB0B0;
}