html {
    height: 100%;
}

body {
    padding: 0;
    margin: 0;
    height: 100%;
    /* background-image: url("thumb1.JPG"); */
}

section {
    /* margin: 3em; */
    display: block;
    text-align: center;
}

section select, section button {
    display: block-inline;
    font-size: 1.5em;
    margin: 0.5em;
    margin-top: 3em;
}

/* section button { */
/*     display: block-inline; */
/*     font-size: 1.5em; */
/*     margin: 0.5em; */
/*     margin-top: 3em; */
/* } */

body:before {
  content: "";
  position: fixed;
  left: 0;
  right: 0;
  z-index: -1;

  margin: 0;
  padding: 0;

  display: block;
  background-image: url('thumb1.JPG');
  width: 100%;
  height: 100%;

  -webkit-filter: blur(5px);
  -moz-filter: blur(5px);
  -o-filter: blur(5px);
  -ms-filter: blur(5px);
  filter: blur(5px);
}