#skills .skills-content .circle{
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: yellow;
  float: right;
  /*box-shadow: inset 0 0 2px rgba
  (255, 255, 255, 0.05),*/
   /*inset 4px 4px 6px rgba(0, 0, 0, 0.2);*/
   color: yellow;
   text-shadow: 0 0 15px black, 0 0 25px black;
   animation: glow 3s linear infinite;
}
@keyframes glow {
  0% {
    filter: hue-rotate(0deg);
  }
  100% {
    filter: hue-rotate(360deg);
  }
}