body{
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    background-color: lightblue;
    color: aliceblue;
}

header{
    background-color: rgb(136, 180, 189);
    color: blue;
    padding: 20px;
    text-align: justify;
}

nav{
    background-color: lightblue;
    padding: 20px;
}

nav ul{
    list-style-type: none;
    margin: 1px;
    text-align: justify;
}

nav ul li{
    display: grid;
    margin: 0 20px;
}

nav ul li a{
    text-decoration: line-through;
    color: rgb(62, 146, 146);
    font-weight: bold;
}

nav ul li a:hover{
    color: blue;
}

main{
    padding: 30px;
}

h1, h2{
    color: rgb(69, 76, 149);
}

strong{
    color: lightseagreen;
}

table{
    width: 100%;
    border-collapse: separate;
    margin-top: 10px;
}

table, th, td{
    border: 1px solid lightblue
}

th,td{
    padding: 20px;
    text-align: justify;
}

th{
    background-color: rgb(59, 102, 116);
}

img{
    width: 500px;
    height: auto;
    margin: 10px 0;
    display: block;
}

footer{
    background-color: rgb(54, 54, 167);
    color: rgb(112, 149, 161);
    text-align: justify;
    padding: 20px;
    position: static;
    bottom: 0;
    width: 90%;
}