/*Generic*/
.wrapper {
  margin: 60px auto;
  text-align: center;
}

h1 {
  margin-bottom: 1.25em;
}

/*Specific styling*/
#content {
  padding: 15px;
  border: solid 1px #eee;
  max-width: 660px;
  margin: auto;
  border-radius: 4px;
}

/* Media queries */
@media all and (max-device-width: 480px) {
  .tab_petit {
    justify-content: start;
  }
}