.gradiente-menu {
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.0));
}

.custom-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 1rem;
    color: white;
    text-align: center;
    z-index: 10;
    background: rgba(0, 0, 0, 0.5);
    /* escurecido */
}

.custom-close {
    position: absolute;
    top: 15px;
    right: 15px;
    z-index: 9999;
    color: #000;
    /* preto */
    text-decoration: none;
    cursor: pointer;
}

.custom-close:hover {
    color: red;
    /* fica vermelho no hover */
}

.heading-as-btn {
    display: inline-block;
    background: #000;
    color: #fff;
    padding: 8px 16px;
    font-size: 18px;
    font-weight: 600;
    text-transform: uppercase;
    text-align: center;
}

.heading-as-btn-transp {
    display: inline-block;
    background: #000000ac;
    color: #fff;
    padding: 8px 16px;
    font-size: 18px;
    font-weight: 600;
    text-transform: uppercase;
    text-align: left;
}