My suggestion
<!DOCTYPE HTML>
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<head>
<link rel="icon" href="icon.png" <!--="" required="" meta="" tags="" --="">
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<meta http-equiv="X-UA-Compatible" content="IE-edge">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
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<link rel="stylesheet" href="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/4.5.3/css/bootstrap.min.css" crossorigin="anonymous">
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<link rel="stylesheet" href="animate.min.css">
<link rel="stylesheet" href="../dist/aos.css">
<title>Maisha Aniqa</title>
<!-- //Styling of the Webpage -->
<style type="text/css">
body{
margin-top: 55px;
}
.jumbotron {
background-image: url("background.jpeg");
text-align: center;
height:510px;
/*margin-top:20px;*/
margin-bottom: 0px;
}
@media screen and (max-width: 650px)
.jumbotron p {
font-size: 0.7em;
}
.jumbotron2 {
margin-top: 30px;
margin-left: 80px;
margin-right: 80px;
text-align: center;
height:300px;
}
.jumbotron3{
text-align: center;
margin-top: 2px;
}
.centered {
justify-content: center;
align: center;
display: block; margin-left: auto; margin-right: auto;
}
.display-5 {
font-size: 40px;
text-align: center;
}
.display-6 {
margin-top: 85px;
text-align: center;
}
.display-1 {
color: white;
}
.title1 {
text-align: center;
}
.title {
text-align: center;
}
.text-center {
text-align: center;
}
.changeColour{
-webkit-animation: color-change 4s infinite;
-moz-animation: color-change 4s infinite;
-o-animation: color-change 4s infinite;
-ms-animation: color-change 4s infinite;
animation: color-change 4s infinite;
}
</style>
</head>
<body data-spy="scroll" data-target="#navbar-example" data-offset="120" data-aos-easing="ease" data-aos-duration="800" data-aos-delay="0">
<nav style=" " class="navbar navbar-expand-lg navbar-light bg-light fixed-top" id="mainNav">
<div class="container">
<a class="navbar-brand js-scroll-trigger" href="#">HOME</a>
<button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarResponsive" aria-controls="navbarResponsive" aria-expanded="false" aria-label="Toggle navigation">
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<ul class="navbar-nav ml-auto">
<li class="nav-item">
<a class="nav-link js-scroll-trigger" href="#about">ABOUT</a>
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<li class="nav-item">
<a class="nav-link js-scroll-trigger" href="#expertise">EXPERTISE</a>
</li>
<li class="nav-item">
<a class="nav-link js-scroll-trigger" href="#portfolio">PORTFOLIO</a>
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<a class="nav-link js-scroll-trigger" href="#contact">CONTACT</a>
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</nav>
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<section id="page-top"></section>
<div class="jumbotron">
<p data-aos="zoom-out" data-aos-delay="500" style="font-size: 120px; color: white; animation-duration: 2s; animation-iteration-count: infinite; animation-delay: 1s;" class="lead pulse mb-5 green pb-5 aos-init aos-animate" id="nametagneel">Maisha Aniqa</p>
<p data-aos="zoom-out" data-aos-delay="500" style="color:white;animation-duration:2s;animation-iteration-count:infinite;animation-delay:1s;" class="lead pulse mb-5 lightGreen pb-5 aos-init aos-animate">Aspiring Developer.<br>An Engineering student.</p>
<!-- <p class="lead"></p>
<p class="lead"></p> -->
</div>
<!-- //SECTION ABOUT ME -->
<section id="about">
<hr class="my-2"><br>
<div id="container">
<br><h1 class="animated fadeIn delay-1s display-5">About Me</h1>
<div class="row">
<div class="animated fadeInUp delay-3s">
<div class="jumbotron2">
<p class="lead" style="text-align:justify"><br>I am currently a second year Electrical Engineering major at <strong class="changeColour">Ryerson University</strong>. I am extremely passionate about modern technologies and innovations that are poised to shape the way we live in future. I aspire to learn new skills everyday and apply my knowledge to solve real world problems in creative ways. My areas of interest include machine learning, full-stack development, cloud computing, and advanced computer networks. I am also a software controls team member of several engineering design teams at Ryerson, specializing in robotics, autonomous systems, and space technology. </p>
</div>
</div>
</div>
</div>
<p></p>
</section>
</body>
</html>
just add "margin-bottom: 0px" in line 30 to override the origin style "mragin-bottom: 2rem"
与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…
