Use below css

    outline: none !important;
    border: none !important;

OR

input, input, 
textarea, textarea,
select, select	 {
    outline: none !important;
    border: none !important;
}

Disable in Hover

input:focus, input:hover, 
textarea:focus, textarea:hover,
select:focus, select:hover {
    outline: none !important;
    border: none !important;
}