input highlight text on focus css code example

Example 1: change border highlight color on an input text element

input:focus { 
    outline: none !important;
    border-color: #719ECE;
    box-shadow: 0 0 10px #719ECE;
}
textarea:focus { 
    outline: none !important;
    border-color: #719ECE;
    box-shadow: 0 0 10px #719ECE;
}

Example 2: how to highlight input on focus with box shadow

.form-section-input {
     transition: box-shadow 300ms ease-out;
}

.form-section-input:focus {
   box-shadow: 0px 0px 5px var(--light-blue-bg-color);
}