#panels{ display: flex; flex: none; align-items: stretch; justify-content: space-between; padding: 2em 0; }
#panels div{ 
    display: inline-flex; flex: none; flex-direction: column; align-items: center; width: 24%; padding: 1em; text-align: center;
    color: var(--main-color); background-image: linear-gradient(110deg, var(--zone-back-from), var(--zone-back-to) 100%); border-radius: 1em;
}
#panels div i{ 
    font-size: 1.5em; aspect-ratio: 1/1; padding: 0.25em; 
    background: var(--zone-back-brighter); border-radius: 0.25em; 
}
#panels div .advantages__title{ font-weight: bold; }
#panels div .advantages__descr{ margin: 0; }