html, body, div, span, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
abbr, address, cite, code,
del, dfn, em, img, ins, kbd, q, samp,
small, strong, sub, sup, var,
b, i,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section, summary,
time, mark, audio, video {
    margin:0;
    padding:0;
    border:0;
    outline:0;
    font-size:100%;
    vertical-align:baseline;
    background:transparent;
}
body {
    line-height:1;
}
article,aside,details,figcaption,figure,
footer,header,hgroup,menu,nav,section { 
    display:block;
}
nav ul {
    list-style:none;
}
blockquote, q {
    quotes:none;
}
blockquote:before, blockquote:after,
q:before, q:after {
    content:'';
    content:none;
}
a {
    margin:0;
    padding:0;
    font-size:100%;
    vertical-align:baseline;
    background:transparent;
}
/* change colours to suit your needs */
ins {
    background-color:#ff9;
    color:#000;
    text-decoration:none;
}
/* change colours to suit your needs */
mark {
    background-color:#ff9;
    color:#000; 
    font-style:italic;
    font-weight:bold;
}
del {
    text-decoration: line-through;
}
abbr[title], dfn[title] {
    border-bottom:1px dotted;
    cursor:help;
}
table {
    border-collapse:collapse;
    border-spacing:0;
}
/* change border colour to suit your needs */
hr {
    display:block;
    height:1px;
    border:0;   
    border-top:1px solid #cccccc;
    margin:1em 0;
    padding:0;
}
input, select {
    vertical-align:middle;
}

/* my codes */

body{	
	font-family: 'Nunito', sans-serif;
}
h1{
	text-align: center;
	color: #fff;
	padding-top: 21%;
	padding-bottom: 19%;
	font-size: 60px;
	margin: 0%;
	width: 100%;
	height: 20vh;
	font-weight: bold;
	background-repeat: no-repeat;
	font-family: "Times New Roman";
	background-size: 100% 100%;
	background-image: linear-gradient(rgba(0, 0, 0, 0.56),rgba(0, 0, 0, 0.50)), url("img/webdevback.jpg");
}
i{
	font-size: 30px;
	font-weight: normal;
}
div{
	margin-left: 20%;
	margin-right: 20%;
	margin-top: 3%;
}
p{
	text-align: justify;
	color: #333;
	font-size: 16px;
	line-height: 1.5;
}
h2{
 	font-size: 40px;
 	text-align: center;
 	margin-top: 2%;
}
div img{
 	width: 90%;
 	height: 100%;
}
div button{
	color: #fff;
	background-color: rgba(255,255,255,0.0);
	border: none;
	padding: 0.5%;
	font-size: 30px;
	position: absolute;
	user-select: none;
  	-webkit-user-select: none;
 	margin-top: -23.5%;	
}
.one{
	right: 21%;
}
.two{
	left: 21%;
}
div button:hover{
	transform: scale(1.3);
	background-color: rgba(0,0,0,0.5);
	border-radius: 10px;
	transition: transform 0.5s;
}
@media screen and (max-width:767px)
{
	div{
		margin-right: 10%;
		margin-left: 10%;
	}
	div button{
		font-size: 20px;
		margin-top: -33%;
	}
	.one{
		right: 12%;
	}
	.two{
		left: 12%;
	}
	h1{
		font-size: 40px;
	}
	i{
		font-size: 18px;
	}
}