html {
  margin: 0;
  padding: 0;
  background: black;
  color: #efefef;
  font-size: 65px;
  font-family: "Fira Sans", "Roboto", Verdana, "sans-serif";
  font-weight: lighter;
}
body {
  margin: 0;
  padding: 0;
}
#colonne1 {
  width: 18%;
  float: left;
  text-align: center;
  margin: 0;
  padding: 0;
}
#lettre {
  margin: 0;
  padding: 0;
}
#lettre p {
  display: inline-block;
  margin: 0;
  padding: 25px 0 0 0;
  box-sizing: border-box;
  width: 180px;
  height: 180px;
  background: #B87E06;
  color: black;
  text-align: center;
  font-size: 120px;
  font-weight: 700;
}
#timer {
  margin: 20px 0 0;
  padding: 0;
}
#theme {
  width: 80%;
  margin: 0;
  padding: 0;
  float: right;
}
#theme li {
  list-style: circle;
  list-style-position: inside;
  padding: 12px 0;
  border-bottom: 1px solid #666;
}
#timer-beep {
  position: absolute;
}