style.css

body,h1,h2,h3,h4,h5,h6 {font-family: "Lato", sans-serif;}
body, html {
    height: 100%;
    color: #777;
    line-height: 1.8;
}

/* Create a Parallax Effect */
.bgimg-1, .bgimg-2, .bgimg-3 {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}
/* First image (Logo. Full height) */
.bgimg-1 {
    background-image:url("file:///Users/ayush/Desktop/Os/chaitany10.github.io/wiki-sample/back.jpg");
    min-height: 100%;
}
/* Second image (Portfolio) */
.bgimg-2 {
    background-image: url("http://www.youthincmag.com/wp-content/uploads/2017/04/best-books-book-youll-ever-read.jpg");
    min-height: 400px;
}
/* Third image (Contact) */
.bgimg-3 {
    background-image: url("http://www.expresspros.co.za/wp-content/uploads/2015/09/7er_Team_Meditrainment.png");
    min-height: 400px;
}
.w3-wide {letter-spacing: 10px;}
.w3-hover-opacity {cursor: pointer;}
/* Turn off parallax scrolling for tablets and phones */
@media only screen and (max-device-width: 1024px) {
    .bgimg-1, .bgimg-2, .bgimg-3 {
        background-attachment: scroll;
    }
}
 .card {
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
  max-width: 300px;
  margin: auto;
  text-align: center;
  font-family: arial;
}
.title {
  color: grey;
  font-size: 18px;
}
button {
  border: none;
  outline: 0;
  display: inline-block;
  padding: 8px;
  color: white;
  background-color: #000;
  text-align: center;
  cursor: pointer;
  width: 100%;
  font-size: 18px;
}
a {
  text-decoration: none;
  font-size: 22px;
  color: black;
}
button:hover, a:hover {
  opacity: 0.7;
}
#myNavbar a
{
	color:white;
/*	background-color: black;
*/}

.images img{
  height: 150px;
}
table {
  font-family: arial, sans-serif;
  border-collapse: collapse;
  width: 100%;
}

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

tr:nth-child(even) {
  background-color: #dddddd;
}