:root {
  --bg: #0c0c0c;
  --border: #575757;
  --color: #575757;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background: var(--bg);
}

.container {
  width: max-content;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin: 0 auto 2em auto;
  padding: 1em 0.5em;
  display: flex;
  justify-content: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 40px;
  transform-origin: center;
}

.dock {
  display: flex;
  justify-content: space-around;
}

.dock-item {
  width: 60px;
  height: 60px;
  border-radius: 30px;
  margin: 0 10px;
  background: var(--bg);
  color: var(--color);
  border: 1px solid var(--border);
  display: flex;
  justify-content: center;
  align-items: center;
  transition: 700ms cubic-bezier(0.075, 0.82, 0.165, 1);
  transform-origin: bottom;
}