@import url('https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,400;0,500;0,600;1,400;1,500&display=swap');
body {
  background-color: #cccccc;
  font-family: 'Open Sans', sans-serif;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 100vh;
}
header,
footer,
main {
  padding: 0 20px;
}

li,
p,
a {
  font-size: 18px;
}
ul {
  margin-left: 0;
  padding-left: 18px;
}

footer,
footer a {
  background-color: #505050;
  color: whitesmoke;
}
img.qr-code {
  height: 230px;
  margin-left: -10px;;
  margin-top: -5px;;
}

.contacts li,
.contacts p,
.contacts a {
  margin: 10px 0;
}

.contacts h3 {
  margin: 0;
}
.contacts a {
  margin-right: 20px;
  display: inline-block;
  text-align: left;
}

.contacts h3,
.contacts a i {
  font-size: 25px;
}

footer {
  display: flex;
  flex-direction: column-reverse;
  justify-items: flex-start;
  align-items: flex-start;
}

@media only screen and (min-width: 750px) {
  footer {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    padding: 30px 0;
  }
  
  header,
  footer,
  main {
    padding-right: 10%;
    padding-left: 10%;
  }

  main {
    display: flex;
  }

  .contacts {
    margin-left: 20px;
  }
}