*, *::before, *::after {
  box-sizing: border-box;
}

body { margin: 0 }

h1, h2, h3, h4, h5, h6 { font-weight: normal }

table
{
 border-collapse: collapse;
 border-spacing: 0
}

th, td
{
 text-align: left;
 vertical-align: top
}

img, iframe { border: 0 }