*{
    margin: 0;
}
nav{
    background-color:#c7c7c7;
    text-align: center;
    font-size: 20px;
    font-family: Arial, Helvetica, sans-serif;
}

a{
    text-decoration: none; 
    color: #000000;
    padding: 10px;
    padding-left: 40px;
    padding-right: 40px;
    display: inline-block;
}

a:hover{
    background-color: rgb(255, 255, 255);
    color: rgb(0, 21, 88);
}

img{
    padding: 20px;
}

caption{
    font-size: 30px;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    font-weight: bold;
    padding: 20px;
}

table{
    border: 1px solid rgb(245, 245, 245);
    border-collapse: collapse;
    margin: auto ;
    font-size: 20px;
}

th{
    text-align: left;
    padding: 10px;
    font-size: 20px;
    font-weight: normal;
    text-align: justify;
    margin: auto;
}

footer{
    background-color: #000000;
    text-align: center;
    color: #ffffff;
    font-size: 15px;
    font-family: Arial, Helvetica, sans-serif;
    padding: 10px;
}