Fix repaint issue webkit (vh)

by Alex

HTML

<div class="t">123</div>

CSS

html, body {
    width: 100%;
    height: 100%;
    margin: 0;
}
html {
    -webkit-animation: repaint .017s infinite ease;
}
.t {
    font-size: 60vh;
    /*line-height: normal;*/
}

@-webkit-keyframes repaint {
    0% {
        line-height: 1;
    }
    50% {
        line-height: 1.001;
    }
    100% {
        line-height: 1;
    }
}