.fun-hover {
background-image: linear-gradient(to right, #1E1F23 50%,#fee603 50%);
background-position: 0;
background-size: 200%;
transition: all .5s;
font-size: 20px;
color: #ffffff;
text-decoration: none;
}
.fun-hover:hover {
background-position: 100%;
font-size: 20px;
color: #000000;
text-decoration: none;
}