function setupleftbase() {
var base = document.getElementById("")
var styles = document.createAttribute("style")
base.setAttributeNode(styles)
var sl = window.innerHeight / 20
var w = ";width:" + sl + "px"
var h = ";height:" + sl + "px"
var fs = ";font-size:" + sl + "px"
var b = ";bottom:" + sl + "px"
styles.value = "position:absolute;left:0px" + b + w + h + fs}
