html {
  height: 100%;
}
body {
  background-color: #fff;
  color: #000000;
 /* font-family: Arial, 'Arial Unicode MS', Helvetica, Sans-Serif;*/
  font-size: 20px;
  font-weight: normal;
  line-height: 200%;
  min-height:100%;
  position:relative;
}

a, a:visited {
  color: #1d4998;
}

a:hover {
  text-decoration: none;
}


#media-article b, #math-content b {
	color: #1D1B1B;
}

h2, h3, h4 {
  font-family: Arial, 'Arial Unicode MS', Helvetica, Sans-Serif;
  font-weight: normal;
  text-shadow: 0 1px 1px #AAAAAA;
}

h2.title {
  color: #FF6600;
}

h3 {
  line-height: 25px;
}

h2.title {
  color: #FF6600;
  font-size: 30px;
  line-height: normal;
  padding: 5px 0 0;
}
#backtotop {
  opacity: 0.3;
  position: fixed;
  bottom: 0px;
  right: 0px;
  z-index: 999;
  width: 80px;
}

#backtotop:hover {
  opacity: 1;
}

img{
	display: block;
    margin-left: auto;
    margin-right: auto;
}
img:hover {
  opacity: 0.6;
  align:center;
}

/** MathJax **/
#MathJax-Element-4-Frame {
	display: block !important;
	padding: 0px;
	width: 100%;
}

span#MathJax-Element-4-Frame {
	display: initial !important;
}