@media(max-width: 600px){
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 5px;
  background: #f4f4f4;
  color: #333;
  text-align: center;
}
}
body li{
  text-align: left;
}

header {
  background: #005b96;
  color: #fff;
  padding: 20px;
  text-align: center;
  font-weight: 900;
}

nav ul {
  background-color: crimson;
  font-family: Arial, Helvetica, sans-serif;
  /* padding-right: 5px;
  padding-left: 5px; */
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 600;
  color: white;
  margin-right: 0px;
  margin-left: 0px;
  margin-top: 10px;
  overflow: hidden;
}
nav a {
  color: white;
  text-decoration: none;
  padding: 15px;
  display: block;
  margin: 0 10px;
}

nav a:hover {
  background-color: aqua;
}
img{
  width: 20%;
}

.hero h2 {
  margin: 10px 5px 5px 5px;
  color:black;
  padding: 15px;
  text-align: center;
}

footer {
  background: #222;
  color: white;
  text-align: center;
  padding: 15px;
  margin-top: 30px;
}

table {
  margin-top: 0px;
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}
section h2{
  margin-top: 0px;
  margin-bottom: 0px;
}
section h3{
  margin: 0px;
}
table{
  margin: 0px;
}
table, th, td {
  border: 1px solid #aaa;
  background-color: skyblue;
}

th, td {
  padding: 10px;
  text-align: left;
}
th{
  background-color: green;
}
 header {
  background: black:
}

form {
  display: flex;
  flex-direction: column;
  /* max-width: 350px;
  margin: auto;
  font-family: arial;
  border: 1.5px solid blue;
  margin-top: 50px; 
  margin-bottom: 10px; */
}
form input{
  font-size: 16px;
  padding: 15px 15px;
  width: 50%;
}

/* input, textarea, button {
  margin-bottom: 10px;
  padding: 10px;
  font-size: 1em;
} */