.padelspiaggia{
    background-image: linear-gradient(to right, rgba(255,255,255, 0.7) 0 100%),
 url(https://www.prenotazioneweb.it/public/sfondi/padelpatti2.png); 
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    border-radius: 25px;
padding:-2px;
}