@keyframes colorFade {
  0% {
    background-color:#7fff00;
  }
  50% {
    background-color:purple;
  }
  100% {
    background-color:#7fff00;
  }
}

.logo {animation:colorFade 5s infinite;}

/**/

@keyframes albumTurn {
  from {
    filter:sepia(90%);
    opacity:77%;
    transform:rotate(20deg);
  }
  to {
    filter:sepia(0%);
    opacity:100%;
    transform:none;
  }
}
#cssportal-grid img:hover {
  animation:albumTurn .375s forwards;
}

@keyframes borderSwell{
  0% {
    border-radius:22.5%;
  }
  50% {
    border-radius:10%;
  }
  100% {
    border-radius:22.5%;
  }
}
.buttons:hover{
  animation:borderSwell 1.75s infinite;
}