/* Mailing section: gradient background and black text */
.mailing-gradient {
    position: relative;
    background: transparent !important;
    color: #111 !important;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.mailing-gradient::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, #60efff 0%, #00ff87 100%) !important;
    opacity: 0.5;
}

.mailing-gradient>.card-body,
.mailing-gradient * {
    position: relative;
    z-index: 1;
}

.mailing-gradient .card-body,
.mailing-gradient .heading,
.mailing-gradient p,
.mailing-gradient label,
.mailing-gradient input,
.mailing-gradient .btn {
    color: #111 !important;
}

.mailing-gradient input.form-control {
    background: #fff;
    color: #111;
}

.mailing-gradient .btn-dark {
    background: #111;
    color: #fff !important;
    border: none;
}

.mailing-gradient .btn-dark:hover,
.mailing-gradient .btn-dark:focus {
    background: #222;
    color: #fff !important;
}