main{min-height:calc(100dvh - 100px);display:flex;justify-content:center;align-items:center;}.block{text-align: center;margin-top:30px;margin-bottom:30px;width:440px;height:auto;display:flex;flex-direction:column;gap:20px;justify-content:space-evenly;align-items:center;background-color:black;color:white;padding:20px;box-sizing:border-box;border-radius:10px;box-shadow:0 2px 8px rgb(0 0 0 / 37%);}@media (max-width:440px){.block{width:calc(100dvw - 30px);}}