wordpress-template/Packages/gruener-salon/sass/includes/_backgrounds.scss

.circle-grey {
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 1) 6%, rgba(255, 255, 255, 1) 35%, rgba(255, 255, 255, 1) 38%, rgba(228, 229, 231, 1) 85%, rgba(228, 229, 231, 1) 100%);
}