@import url('https://fonts.googleapis.com/css2?family=Muli&display=swap');

:root {
  --line-border-active: rgb(88, 121, 13);
  --line-border-empty: #d3d4d3;
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Muli', sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow: hidden;
  margin: 0;
  background: rgb(240, 255, 254);
}

.container {
  text-align: center;
}

.progress-wrapper {
  display: flex;
  justify-content: space-between;
  position: relative;
  margin-bottom: 35px;
  max-width: 100%;
  width: 320px;
}

.progress {
  background: var(--line-border-active);
  position: absolute;
  top: 50%;
  left: 0;
  height: 4px;
  width: 0%;
  transform: translateY(-50%);
  z-index: -1;
  transition: .4s ease;
}

.progress-wrapper::before {
  content: "";
  background: var(--line-border-empty);
  position: absolute;
  top: 50%;
  left: 0;
  height: 4px;
  width: 100%;
  transform: translateY(-50%);
  z-index: -1;
}

.progress {
  background: var(--line-border-active);
  position: absolute;
  top: 50%;
  left: 0;
  height: 4px;
  width: 0%;
  transform: translateY(-50%);
  z-index: -1;
  transition: .4s ease;
}

.circle {
  background: #ffffff;
  color: #999999;
  border-radius: 50%;
  height: 35px;
  width: 35px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 3px solid var(--line-border-empty);
  transition: .4s ease;
}

.circle.active {
  border-color: var(--line-border-active);
}

.btn {
  background: var(--line-border-active);
  color: #ffffff;
  border: 0;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  padding: 8px 30px;
  margin: 5px;
  font-size: 14px;
}

.btn:active {
  transform: scale(0.98);
}

.btn:focus {
  outline: 0;
}

.btn:disabled {
  background: var(--line-border-empty);
  cursor: not-allowed;
}