.sale-bar {
    background-color: yellow;
    color: black;
    text-align: center;
    padding: 5px;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 9999;
}

.sale-bar p {
    font-weight: bold;
    margin: 0;
}

.sale-bar a {
    color: black;
    text-decoration: none;
    font-weight: bold;
    margin-left: 10px;
    position: relative;
}

.sale-bar a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 100%;
    height: 2px;
    background-color: black;
}