.fill-button {
    position: relative;
    display: inline-block;
    color: #007bff;
    overflow: hidden;
    transition: color 0.4s;
}

.fill-button::before {
    content: "";
    position: absolute;
    left: -100%;
    top: 0;
    width: 100%;
    height: 100%;
    border-radius: 60px;
    background-color: #007bff;
    z-index: -1;
    transition: left 0.4s ease;
}

@media(hover: hover) and (pointer: fine){
    .fill-button:hover::before {
        left: 0%;
    }
}




.fill-button:hover {
    color: white;
}