window. onload = function(){
getRem( 750, 100)
};
window. onresize = function(){
getRem( 750, 100)
};
function getRem( pwidth, prem){
var html = document. getElementsByTagName( "html")[ 0];
var oWidth = document. body. clientWidth || document. documentElement. clientWidth;
html. style. fontSize = oWidth/ pwidth* prem + "px";
}
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