body {
  width:100%;
  padding:0;
  margin:0;
  box-sizing: border-box;
/*    background-image: url("../imgs/bgs/brickwall.png"); */
    background-repeat: repeat;
}

md-content.md-default-theme, md-content {
  background-color: rgba(163, 160, 160, 0.45);
}

.box_none {
  background-color: lightblue;
}

.exthtml-text{
    font-size: 2vw;
}