@media only screen and (max-width: 420px) {
div.phone-size {
    height: 35px;
    width: 80%;
    border-radius: 14px;
}
a {
    font-size: 10pt;
}
.text {
    font-size: 6px;
    bottom: 70px;
    color: #ffffffba;
    text-shadow: 4px 4px 2px #0000004f;
}
.prev, .next {
    height: 80%;
}
}