chromium/third_party/blink/web_tests/fast/css/input-search-padding.html

<style>
input {
    font-size: 30pt;
    padding-bottom: 30px;
}
</style>
<input type="search" value="value jgq not clipped" style="-webkit-appearance:none"><br>
<input type="text" value="value jgq not clipped"><br>
<input type="search" style="height: 25px; padding: 4px; -webkit-appearance:textfield; font-size: 20px;" value="Sample Input">