css button focus outline code example

Example 1: diable focus button css

*:focus {
    outline: 0 !important;
}

Example 2: css remove button outline

button:focus {outline:0;}

Example 3: input outline focus

input:focus, textarea:focus {
    background-color: #FFFF66;
    border: 1px solid #F47E58;
}

Example 4: remove button outlines

<button class="btn shadow-none">Bootstrap (4.1) button without shadow</button>