.phone-frame {
    position: relative;
    width: 280px;
    height: 600px;
    margin: 0 auto;
    border-radius: 36px;
    background-color: #1a1a1a;
    padding: 8px;
    box-sizing: content-box;
}

.phone-screen {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 30px;
    overflow: hidden;
}

@media (max-width: 640px) {
    .phone-frame {
        width: 260px;
        height: 560px;
    }
}