style.css

table {
    font-family: Arial, Helvetica, sans-serif;
    border-collapse: collapse;
    width: 65%
}

td, th {
    border-bottom: 1px solid #dddddd;
    text-align: left;
    padding: 20px;
}
/* modify th padding */
th {
    padding: 8px;
}

tr{
    border-bottom: 1px solid #dddddd;
    border-top: 1px solid #dddddd;
    border-collapse: collapse;
}


/*Button Styling*/
.button {
    background-color: lightgray; 
    border: none;
    color: black;
    font-size: 10px;
    border-radius: 4px;
    padding: 12px 28px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
}
.button:hover {
    box-shadow: 0 12px 16px 0 rgba(0,0,0,0.24), 0 17px 50px 0 rgba(0,0,0,0.19);
}

/*Nav Bar Styling*/
ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: white;
}
  
li {
    float:left;
}
  
li a {
    display: block;
    color: #1070e0;;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
}
  
li a:hover {
    background-color: lightgray;
}

h1, h2, h3 {font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;}