how to remove the highlight blue css input code example

Example 1: html remove border from textarea

textarea {
    border: none;
    background-color: transparent;
    resize: none;
    outline: none;
}

Example 2: change border highlight color on an input text element

.input:focus {
    outline: none !important;
    border:1px solid red;
    box-shadow: 0 0 10px #719ECE;
}