.styled {
  border: 0;
  line-height: 2.5;
  padding: 0 20px;
  font-size: 1rem;
  text-align: center;
  color: rgba(0, 0, 0, 0.3);
  cursor:pointer;
  text-shadow: 1px 1px 1px #000;
  border-radius: 10px;
  background-color: #c4e125;
  background-image: linear-gradient(
    to top left,
    rgba(0, 0, 0, 0.2),
    rgba(0, 0, 0, 0.2) 30%,
    rgba(0, 0, 0, 0)
  );
  box-shadow:
    inset 2px 2px 3px rgba(255, 255, 255, 0.6),
    inset -2px -2px 3px rgba(0, 0, 0, 0.6);
    
}

.styled:hover {
  background-color:  #88a819;
  color:  rgb(255, 255, 255);
  animation:opac 1s;
}

.styled:active {
  box-shadow:
    inset -2px -2px 3px rgba(255, 255, 255, 0.6),
    inset 2px 2px 3px rgba(0, 0, 0, 0.6);
}

@keyframes opac
{
from
{
opacity:0.5;
}
to
{
opacity:1;
};
}