*,
*::before
*::after{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body{
    padding: 5em;
 font-size: 1.5em;  
}
nav ul {
    display: flex;
    flex-wrap: wrap;
    position: sticky;
    top: 0px;
    left: 0px;
    right: 0px;
    font-weight: bold;
    font-size: 1em;
    list-style-type: none;
    padding: 10px;
  }
  
  nav ul li {
    padding: 20px;
    background: #747373;
    border-radius: 5px;
    margin: 10px;
  }
  nav ul li:hover {
    background: black;
  }
  
  nav ul li a {
    color: hsl(202, 52%, 96%);
    text-decoration: none;
  }
  nav ul li a:hover {
    color: #eee;
  }
  
h1{
    display: flex;
    flex-wrap: wrap;
}
main{
    width: 100%;
    display: flex;
    
   
}
table{
    border-collapse: collapse;
    width: 100%;
    max-width: 100vw;
    
}

th, td{
    padding: 8px;
    border: 1px solid #ccc;
    text-align: center;
}

tbody tr:hover{
background: #f5f5f5;
}