* {
  box-sizing: border-box;
}

body {
  background: #3b3d43;
}

button {
  border: 0;
  padding: 0;
  font-family: inherit;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.navbar {
  position: fixed;
  z-index: 1;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 72px;
  padding: 0 20px;
  background: #19191c;
  color: #f9f9f9;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 120px;
}

.navbar-logo-icon {
  height: 28px;
}

@media only screen and (min-width: 400px) {
  .navbar-logo-icon {
    height: 24px;
  }
}

.navbar-logo-text {
  display: none;
  height: 19px;
}

@media only screen and (min-width: 400px) {
  .navbar-logo-text {
    display: block;
  }
}

.navbar-menu {
  display: flex;
  transition: 0.3s;
}

@media only screen and (min-width: 600px) {
  .navbar-menu {
    flex: 1 1 auto;
    justify-content: center;
    margin-right: 120px;
  }
}

.navbar-menu > button {
  position: relative;
  flex: 0 0 36px;
  display: grid;
  place-items: center;
  font-size: 28px;
  height: 72px;
  width: 36px;
  opacity: 0.3;
}

.navbar-menu > button.active {
  opacity: 1;
}

.navbar-menu > button.active::after {
  content: "";
  display: block;
  position: absolute;
  top: 18px;
  left: 50%;
  translate: -50% 0;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #36b7ee;
}

@media only screen and (min-width: 600px) {
  .navbar-menu > button:last-child {
    position: absolute;
    right: 20px;
  }
}