how to remove outline from input on click code example

Example 1: how to remove form border after click input

.from_Input{
    border: none;
    outline:none;
}
.from_Input:active{
    border: none;
    outline:none;
}

Example 2: remove outline of input css

.sidebar_searchcontainer > input {
    border:none;
    outline-width: 0;
}