/**********************************************
reset
**********************************************/
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/**********************************************
nomarise
**********************************************/
body {
  background: #eee;
  font-family: Arial, Helvetica, "sans-serif";
}

a {
  text-decoration: none;
}

li {
  list-style: none;
}

/**********************************************
component
**********************************************/
header {
  background: #222;
  color: #fff;
  margin-bottom: 2rem;
  padding: 1rem;
}

main {
  margin: 0 auto;
  width: 800px;
}

.menu__item {
  background: #5200b7;
  color: #fff;
  cursor: pointer;
  display: block;
  margin-bottom: 1px;
}
.menu__item__link {
  color: #fff;
  display: block;
  line-height: 60px;
  padding: 0 1rem;
  position: relative;
}

.submenu {
  background: #fff;
  display: none;
}
.submenu__item {
  border-bottom: 1px solid #5200b7;
  color: #222;
  padding: 1rem;
}