a{
  color: #333;
  text-decoration: underline;
  text-decoration: none;
}

a:hover{
  color: grey;
  text-decoration: underline;
}

/* a:visited{
  color: green;
} */

a:active{
  color: blue;
}

.btn{
  background-color: darkslateblue;
  color: #fff;
  border: none;
  font-size: 20px;
  padding: 10px 20px;
  border-radius: 12px;
  cursor: pointer;
  cursor: not-allowed;
}

.btn:hover{
  background-color: brown;
  color: yellow;
}

.btn:disabled{
  background-color: #ccc;
  cursor: not-allowed;
}

