body {
  font-size: 16px;
  font-family: Verdana, sans-serif;
}

#container {
  width: 280px;
  margin: 30px auto;
}

form {
  text-align: center;
}

input[type=text],
input[type=password] {
  padding: 5px;
  border-radius: 4px;
  font-size: 14px;
}

.btn {
  width: 100px;
  padding: 7px;
  border-radius: 5px;
  color: #fff;
  background: #00aaff;
  box-shadow: 0 3px 0 #0088cc;
  cursor: pointer;
  margin: 0 auto 15px;
}
/* area */
.btn:hover {
  opacity: 0.8;
}

.fs12 {
  font-size: 12px;
}

.err {
  color: #ff3d00;
  font-weight: bold;
  font-size: 13px;
}

main{
  width: 1000px;
  margin:0 auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

table, th, td {
  border: 1px solid #d3d3d3;
}

thead {
  background-color: #003366;
  color: white;
  font-weight: bold;
  text-align: center;
}

thead td {
  padding: 10px;
}

tbody tr:nth-child(even) {
  background-color: #f2f2f2;
}

tbody td {
  padding: 8px;
  text-align: center;
}

tbody td img{
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
}

header{
  display: flex;
  justify-content: space-between;
  align-items: center;
}

footer p{
  text-align: center;
}



footer nav ul{
  display: flex;
  justify-content: center;
  list-style: none;
  padding-inline-start: 0;
}

footer nav ul li{
  border: 1px solid #ccc;
}

footer nav ul li:first-child{
  border-radius: 10px 0 0 10px;
}

footer nav ul li:last-child{
  border-radius: 0 10px 10px 0;
}


footer nav ul a,
footer nav ul strong{
  display: inline-block;
  padding: 10px 20px;
  text-decoration: none;
}