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

html, body {
  height: 100%;
  width: 100%;
  overflow-x: hidden;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  background: #000;
}

.hero {
  position: relative;
  height: 100vh;
  width: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%);
  object-fit: cover;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.35) 0%,
    rgba(0, 0, 0, 0.15) 40%,
    rgba(0, 0, 0, 0.45) 100%
  );
  z-index: 1;
}

.mute-toggle {
  position: absolute;
  bottom: 1.75rem;
  right: 1.75rem;
  z-index: 2;
  width: 2.75rem;
  height: 2.75rem;
  background: #c0c0c0;
  border: 2px outset #eee;
  box-shadow:
    inset 1px 1px 0 #fff,
    inset -1px -1px 0 #808080,
    2px 2px 4px rgba(0, 0, 0, 0.6);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mute-toggle:hover {
  background: #d4d4d4;
}

.mute-toggle:active {
  border-style: inset;
  box-shadow:
    inset -1px -1px 0 #fff,
    inset 1px 1px 0 #808080;
}