*{margin:0;padding:0;box-sizing:border-box;font:inherit;color:inherit;flex-shrink:0;}
html,body {height:100%}
a {text-decoration:none}
table {border-collapse:collapse;border-spacing:0}

.clearfix:before, .clearfix:after {
    display: block;
    content: '';
    line-height: 0;
}