* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Quicksand', sans-serif;
  font-size: 14pt;
}

h1 {
  font-size: 2.5em;
}

h2 {
  font-size: 2em;
}

h3 {
  font-size: 1.5em;
}

header {
  margin-left: auto;
  margin-right: auto;
  margin: 10%;
}

body {
  background-color: #E0FFFF;
}

.all {
  width:100%;
}

.avatar {
  text-align: center;
}

.main_information {
  margin-left: auto;
  margin-right: auto;
  color: #31235D;
  background-color: #E6E6FA;
}

.main_part {
margin: 10%;
}

.main-ul {
list-style-image: disc;
}

.contacts-mail-text {
  color: #579AC1;
}

.code {
 display: block;
 margin-left: auto;
 margin-right: auto;
 width:70%;
}

footer {
  margin-left: auto;
  margin-right: auto;
  justify-content: space-between;
  margin: 10%;
}

.logo {
  display: block;
  width: 100px;
  height: 50px;
}