Dynamically effect using CSS in oracle apex item

1. Page >  CSS (inline) Paste view effect

.t-Form-inputContainer input[type="text"], .t-Form-inputContainer input.text_field,
.t-Form-inputContainer input.password, .t-Form-inputContainer textarea.textarea,
.t-Form-inputContainer input.datepicker, .t-Form-inputContainer span.display_only,
.t-Form-inputContainer input.popup_lov, .t-Form-inputContainer select,
.u-TF-item--text, .u-TF-item--textarea, .u-TF-item--datepicker, .u-TF-item--select {
    width: 100px;
    box-sizing: border-box;
    border: 5px solid #ccc;
    border-radius: 10px;
    font-size: 16px;
    background-color: white;

    background-position: 10px 10px;
    background-repeat: no-repeat;
    padding: 12px 20px 12px 40px;
    -webkit-transition: width 0.4s ease-in-out;
    transition: width 0.4s ease-in-out;
}

input[type=text]:focus {
    width: 100%;
}