.skill {
  border: none;
  color: white;
  padding: 6px 6px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 2px 2px;
  transition-duration: 0.4s;
  cursor: pointer;
}

.skill-on-mouse-over-left-column {
  float:right;
  background-color: #F2F3F5;
  color: black; 
  border: 2px solid #F2F3F5;
  border-radius: 12px;
}

.skill-on-mouse-over {
  background-color: #F2F3F5;
  color: black; 
  border: 2px solid #F2F3F5;
  border-radius: 12px;
}

.skill-on-mouse-over:hover {
  background-color: #0563bb;
  border: 2px solid #0563bb;
  color: white;
}

.skill-on-mouse-over-left-column:hover {
  background-color: #0563bb;
  border: 2px solid #0563bb;
  color: white;
}