index.css

/**
 * Globals
 */
html,
body {
  cursor: default;
  margin: 0;
  height: 100%;
}

body {
  background-color: #ECEFF1;
  
  font-family: 'Roboto', 'Droid Sans', arial, sans-serif;
  font-size: 15px;
  direction: ltr;
  overflow: hidden;

  display: flex;
  flex-direction: column;

  -webkit-user-select: none;
}

body.blur {
  -webkit-filter: grayscale(20%);
}