html,
body {
  height: 100%;
  margin: 0px;
}
.datum {
  background: #21c37d;
  display: inline-block;
  padding: 0.1em 2em;
  color: #fff;
}
.container {
  position: relative;
  height: 100%;
  padding: 0;
  margin: 0;
  max-width: 100% !important;
}
.center {
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
}
.celebration {
  width: 3em;
  margin-bottom: 0.5em;
}
.footerimg {
  height: 3em;
  display: block;
  margin: 0 auto;
  margin-bottom: 0.5em;
}
.notes {
  font-size: 0.4em;
  color: #9a9a9a;
  margin-bottom: 0 !important;
}
.corona {
  font-size: 0.4em;
  background: #B2DECD;
  display: inline-block;
  padding: 0.1em 2em;
  color: #fff;
  margin-top: 0;
}
footer {
  margin-bottom: 0 !important;
  padding-bottom: 0 !important;
}