body,
html {
  width: 95%;
}

* {
  position: relative;
}
body {
  margin-top: 50px;
  font-family: Kanit, Arial, sans-serif;
}
.progress {
  width: 100%;
  height: 10px;
  background: grey;
}

.nav {
  margin: 10px;
  padding: 10px;
}

button {
  margin: 20px;
  padding: 15px;
}

.bar {
  width: 100%;
  height: 100%;
  background: red;
}

.circles {
  width: 100%;
  height: 20px;
  display: flex;
  justify-content: space-between;
  flex-direction: row;
}
.circle {
  width: 1px;
  height: 20px;
  background: black;
  position: relative;
}

.circle div {
  content: "";
  width: 30px;
  height: 30px;
  position: absolute;
  bottom: 20px;
  transform: translateX(-50%);
  background: #39f; /*blue*/
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}