*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: inherit;
}

html {
  box-sizing: border-box;
}

body {
  background: #263238;
  font-family: "Nunito", sans-serif;
}

.container {
  margin: auto auto;
  height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.tittle,
.subtitle {
  margin-bottom: 40px;
  color: #44b9ff;
  letter-spacing: 4px;
  text-transform: uppercase;
}

.square-container {
  list-style-type: none;
  display: flex;
  position: relative;
}

.square {
  margin: 4px;
  width: 30px;
  height: 30px;
  border-radius: 7px;
  animation: rotating 2.5s ease infinite;
}

.square1 {
  background: #736efe;
  animation-delay: 0.2s;
}

.square2 {
  background: #5999ff;
  animation-delay: 0.4s;
}

.square3 {
  background: #44b9ff;
  animation-delay: 0.6s;
}

.square4 {
  background: #31d8ff;
  animation-delay: 0.8s;
}

.square5 {
  background: #18ffff;
  animation-delay: 1s;
}

@keyframes rotating {
  0% {
    transform: rotate(0) scale(1);
  }
  50% {
    transform: rotate(90deg) scale(0.6);
  }
  100% {
    transform: rotate(90deg) scale(1);
  }
}
footer {
  margin: auto auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin-bottom: 10px;
  color: #31d8ff;
}

footer a {
  color: #736efe;
}