@keyframes btn-loading-spin {
    to {
        transform: rotate(360deg);
    }
}

button.is-loading,
input[type="submit"].is-loading,
input[type="button"].is-loading,
a.btn.is-loading,
[role="button"].is-loading {
    position: relative;
    pointer-events: none;
    cursor: wait;
    color: transparent !important;
}

button.is-loading::after,
input[type="submit"].is-loading::after,
input[type="button"].is-loading::after,
a.btn.is-loading::after,
[role="button"].is-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 18px;
    height: 18px;
    margin: -9px 0 0 -9px;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: btn-loading-spin 0.65s linear infinite;
}

.btn-outline-primary.is-loading::after,
.is-loading.is-light-spinner::after,
.theme-light .header__btn.is-loading::after {
    border-color: rgba(0, 0, 0, 0.15);
    border-top-color: var(--color-primary, #E85002);
}

button.is-disabled,
.btn.is-disabled,
input[type="submit"].is-disabled {
    opacity: 0.5;
    pointer-events: none;
    cursor: not-allowed;
}