.fa-solid,
.fa-regular,
.fa-brands,
.fas,
.fa {
    display: inline-block;
    width: 1em;
    height: 1em;
    line-height: 1;
    vertical-align: -0.125em;
}

.fa-solid::before,
.fa-regular::before,
.fa-brands::before,
.fas::before,
.fa::before {
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    background-color: currentColor;
    -webkit-mask-image: var(--nd-icon, url("/icons/fa-subset/circle-dot.svg"));
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: center;
    -webkit-mask-size: contain;
    mask-image: var(--nd-icon, url("/icons/fa-subset/circle-dot.svg"));
    mask-repeat: no-repeat;
    mask-position: center;
    mask-size: contain;
}

.fa-chevron-left { --nd-icon: url("/icons/fa-subset/chevron-left.svg"); }
.fa-chevron-right { --nd-icon: url("/icons/fa-subset/chevron-right.svg"); }
.fa-arrow-right { --nd-icon: url("/icons/fa-subset/arrow-right.svg"); }
.fa-phone { --nd-icon: url("/icons/fa-subset/phone.svg"); }
.fa-phone-volume { --nd-icon: url("/icons/fa-subset/phone-volume.svg"); }
.fa-comment-dots { --nd-icon: url("/icons/fa-subset/comment-dots.svg"); }
.fa-clock { --nd-icon: url("/icons/fa-subset/clock.svg"); }
.fa-location-dot { --nd-icon: url("/icons/fa-subset/location-dot.svg"); }
.fa-facebook-f { --nd-icon: url("/icons/fa-subset/facebook-f.svg"); }
.fa-user-doctor { --nd-icon: url("/icons/fa-subset/user-doctor.svg"); }
.fa-hospital-user { --nd-icon: url("/icons/fa-subset/hospital-user.svg"); }
.fa-hospital { --nd-icon: url("/icons/fa-subset/hospital.svg"); }
.fa-briefcase-medical { --nd-icon: url("/icons/fa-subset/briefcase-medical.svg"); }
.fa-building-circle-check { --nd-icon: url("/icons/fa-subset/building-circle-check.svg"); }
.fa-heart-pulse { --nd-icon: url("/icons/fa-subset/heart-pulse.svg"); }
.fa-shield-heart { --nd-icon: url("/icons/fa-subset/shield-heart.svg"); }
.fa-calendar-check { --nd-icon: url("/icons/fa-subset/calendar-check.svg"); }
.fa-newspaper { --nd-icon: url("/icons/fa-subset/newspaper.svg"); }
.fa-stethoscope { --nd-icon: url("/icons/fa-subset/stethoscope.svg"); }
.fa-house { --nd-icon: url("/icons/fa-subset/house.svg"); }
.fa-tag { --nd-icon: url("/icons/fa-subset/tag.svg"); }
.fa-circle-dot { --nd-icon: url("/icons/fa-subset/circle-dot.svg"); }
.fa-arrow-left { --nd-icon: url("/icons/fa-subset/arrow-left.svg"); }
.fa-arrow-up-right-from-square { --nd-icon: url("/icons/fa-subset/arrow-up-right-from-square.svg"); }
.fa-check { --nd-icon: url("/icons/fa-subset/check.svg"); }
.fa-plus { --nd-icon: url("/icons/fa-subset/plus.svg"); }
.fa-pen { --nd-icon: url("/icons/fa-subset/pen.svg"); }
.fa-pencil { --nd-icon: url("/icons/fa-subset/pen.svg"); }
.fa-trash { --nd-icon: url("/icons/fa-subset/trash.svg"); }
.fa-user-md { --nd-icon: url("/icons/fa-subset/user-doctor.svg"); }
.fa-hospital-o { --nd-icon: url("/icons/fa-subset/hospital.svg"); }
.fa-external-link { --nd-icon: url("/icons/fa-subset/arrow-up-right-from-square.svg"); }

.fa-2x { font-size: 2em; }