@charset "utf-8";
/* CSS Document */
.shadow {
  box-shadow: 2px 2px 7px rgba(0, 0, 0, 0.25);
}
* {
  margin: 0;
  padding: 0;
}
body {
  background: #fff;
  font-family: "Roboto", sans-serif;
  color: #333;
  font-size: 18px;
}
a:link,
a:visited {
  color: #333;
  text-decoration: underline;
}
a:hover {
  text-decoration: none;
}
p {
  font-size: 18px;
  line-height: 1.46rem;
  margin-bottom: 16px;
}
#wrapper {
  width: auto;
  margin: 20px auto;
  padding: 30px;
  box-shadow: 2px 2px 7px rgba(0, 0, 0, 0.25);
  max-width: 900px;
}
header {
  text-align: center;
}
nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  list-style-type: none;
  margin: 30px 0;
  padding: 0;
  overflow: hidden;
  text-align: center;
}
@md {
  display: flex;
  flex-wrap: none;
}
nav li {
  float: left;
}
nav li a {
  display: block;
  background: #1a63b7;
  border-radius: 50px;
  color: #fff !important;
  text-decoration: none !important;
  text-align: center;
  padding: 4px 16px;
  margin: 10px 5px;
  text-decoration: none;
}
nav li a:hover {
  background: #2489f4 !important;
  color: #333;
}
#footer {
  grid-column-start: 1;
  grid-column-end: 3;
}
.copyright {
  width: 550px;
}
.design {
  width: 170px;
  float: right;
}
h1 {
  font-size: 2.5em;
  color: #1a63b7;
  font-weight: normal;
  margin: 50px auto;
}
h2 {
  color: #1a63b7;
  font-size: 1.5em;
  font-weight: 700;
  margin-bottom: 0.5rem;
  margin-top: 70px;
}
ul {
  padding-left: 10px;
  margin-left: 15px;
  margin-bottom: 20px;
}
.back-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: #333;
  color: #fff !important;
  padding: 12px 20px;
  text-decoration: none;
  border-radius: 5px;
  font-size: 14px;
  z-index: 1000;
  transition: background-color 0.3s ease;
}
.back-to-top:hover {
  background-color: #555;
}