the following figure (the test border is in the placeholder property)
this is the focus effect, showing outline;
input
how can I get this default border to be displayed? Otherwise, it will not be convenient for me to adjust the style.
Note: this border will be displayed when I take my page to another normal windows computer. What are the default settings for the latest version of chrome?
< H2 > ps: is not displayed when debugging the mobile phone page, and a normal pc page will display a border. < / H2 > chrome version: version 70.0.3538.110 (official version)
mac version: macOS Mojava 10.14.1