* {
  font-family: 'Open Sans', sans-serif;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  text-align: center;
  padding: 20px;
}

article {
  max-width: 800px;
  width: 100%;
}

h1 {
  font-size: 2em;
  margin-bottom: 10px;
}

p {
  font-size: 1em;
  margin-bottom: 20px;
}

main {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  margin: 70px 0;
}

main div {
  flex: 1;
  min-width: 120px;
  display: flex;
  justify-content: center;
}

main img {
  max-width: 200px;
  max-height: 140px;
  height: auto;
}

.loader {
  width: 120px;
  height: 20px;
  background: linear-gradient(#25b09b 0 0) left -40px top 0/40px 20px,
              linear-gradient(#ddd 0 0) center/100% 50%; 
  background-repeat: no-repeat;
  animation: l5 1.1s infinite linear;
}

@keyframes l5 {
  100% {background-position: right -40px top 0, center;}
}

footer {
  margin-top: 20px;
  font-size: 0.9em;
}

@media (max-width: 600px) {
  main {
      flex-direction: column;
  }
  main img {
      max-width: 150px;
      max-height: 100px;
  }

  .loader {
      transform: rotate(90deg);
      margin: 40% 0;
  }
}