function rem() {
var htmlele = document.documentelement;
var winwidth = htmlele.clientwidth || document.body.clientwidth;
var width = winwidth;
if(winwidth > 1441){htmlele.style.fontsize = math.ceil(100 * (width / 1920)) + 'px';}
if(winwidth < 1601){htmlele.style.fontsize = math.ceil(110 * (width / 1920)) + 'px';}
if(winwidth < 1441){htmlele.style.fontsize = math.ceil(120 * (width / 1920)) + 'px';}
if(winwidth < 1367){htmlele.style.fontsize = math.ceil(125 * (width / 1920)) + 'px';}
if(winwidth < 1201){htmlele.style.fontsize = math.ceil(140 * (width / 1920)) + 'px';}
if(winwidth < 1025){htmlele.style.fontsize = 100 + 'px';}
};
rem();
window.onresize = function() {
rem();
}