.phone-extension-search {
    text-align: center;
    margin: 20px;
}

.phone-extension-search input, 
.phone-extension-search button {
    padding: 5px;
    margin: 5px;
    font-size: 16px;
}

.phone-extension-search p {
    font-weight: bold;
    margin-top: 10px;
}