style.css

*{
	padding: 0;
	margin: 0;
	box-sizing: border-box;
	font-family: sans-serif;
	background-color: yellow;
}
.intro{
	height: 100%;
	width: 100%;
	display: flex;
}
.img-fluid
{
	height: 50%;
	width: 75%;
}
.pt-1{
	height: 70%;
	width: 50%;
	align-self: auto;
}
.pt-2
{
	height: 70%;
	width: 50%;
	
}
.pt-3{
	height: 70%;
	width: 50%;
	
}
.activity{
	display: flex;
	padding: 10px 50px;
	align-items: center;
	
}
h1{
	color: red;
	font-weight: bold;
	transition: 0.5s;
}

button{
	border:none;
	border-radius: 8px;
	padding: 10px;
	background:#7B8788; 
	color:white;
	letter-spacing: 1.5px;
	font-size: 15px;
	transition: 0.5s;
	
}
button:hover,h1:hover{
	transform: scale(1.1);
}
button:hover{
	background-color:#4C4B4B;
}

footer{
	position: absolute;
  	bottom: 15px;
  	width: 100%;
  	height: 2.5rem; 
	color: black;
}
footer p{
	margin: 0;
	font-size: 15px;
}
@media only screen and (orientation:portrait){
	.intro{
		display:flex;
		flex-direction: column-reverse;
	}
	h1{
		font-size: 30px;
	}
	.act{
		padding-bottom: 100px;
	}
	
}