::v-deep input::-webkit-input-placeholder { //color: red;font-size:3px; } ::v-deep input::-moz-input-placeholder {//color: red;font-size:3px; } ::v-deep input::-ms-input-placeholder {//color: red;font-size:3px; } // onkeyup="value=value.replace(/[^\d.]/g,'').replace(...