css remove clicked button border code example

Example 1: how to remove outline on button

outline: none;

Example 2: html button remove border on click

.x-btn:focus, .button:focus, [type="submit"]:focus {
   outline: none;
}

Example 3: remove clicked button border

<button style="outline: none;"></button>

Example 4: remove outline on button click

using outline:none; we can remove that border in chrome

for tailwind css :
outline-none 
focus:outline-none