Colmar Academy project: unwanted padding

Why can I see this unwanted left padding beetween the green strip and first letters of ‘‘Learn’’ and ‘‘new’’? (and I can’t see it between strip and button which are in the same div with the text) ?

Here is HTML:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Colmar Academy</title>
    <link rel="stylesheet" type="text/css" href="./resources/css/style.css">
    <link href="https://fonts.googleapis.com/css?family=Montserrat:100,200,300,regular,500,600,700,800,,900&display=swap" rel="stylesheet"/>
</head>
<body>
    <div class="wrapper">
        <div class="header">
          <img class="hearer-logo" src="./resources/images/ic-logo.svg"> 
          <p class="brand"><b>COLMAR</b>ACADEMY</p>
          <nav class="header-list">
            <span><a href="#">On campus</a></span>
            <span><a href="#">Online</a></span>
            <span><a href="#">For companies</a></span>
            <span><a href="#">Sign in</a></span>  
          </nav>  
        </div>
        <div id="banner-div">
            <img class="banner" src="./resources/images/banner.jpg">     
            <div class="banner-text">
              <p class="learn-smth">Learn something<br>new everyday</p>
              <p class="lorem">Lorem ipsum dolor sit amet,<br>consectetur adipiscing elit.</p>
              <p class="start-here">Start here</p>
            </div>     
        </div>

Here is CSS:

*,
*::before,
*::after {
    padding: 0;
    margin: 0;
    border: 0;
    box-sizing: border-box;
}

a {
    text-decoration: 0;
}

ul,
ol,
li {
    list-style: none;
}

html,
body {
  height: 100%;
  line-height: 1;
  font-family: Montserrat;
  font-size: 16px;
  color: rgb(73, 72, 72);  
}

img {
    vertical-align: top;
}

.header {
    
    display: flex;
    height: 64px;
    width: 100%;
    left: 0;
    top: 0;
    z-index: 50;
    
}

.hearer-logo {
    height: 50px;
    margin-left: 20px;
    margin-top: 0.6em;
    
}

.brand {
    font-size: 24px;    
    position: relative;
    line-height: 2.7em;
}


.header-list {
    position: absolute;
    display: flex; 
    font-size: 30px;
    font-weight: 500;
    line-height: 2em;
    right: 24px;
    
}

a {
    color: rgb(73, 72, 72); 
    padding-left: 16px;
}

.menu-item {
    margin: 0 0 0 16px;
    
}


.wrapper {
    min-height: 100%;
    overflow: hidden;
}

#banner-div {
    display: flex;
    width: 100%;
    top: 64px;
    background-color: lightgray;
    align-items: center;
    
}

.banner-text {
   display: flex;
   flex-direction: column;
   width: 100%;
   margin: 24px 0px;
  
}

.start-here {
    text-align: center;
    font-size: 33px;
    background-color: rgb(73, 72, 72); 
    color: white;
    padding: 8px 75px;
    width: 75%;
    
}

.banner {
    padding: 32px 24px;
    width: 60%;
    
}

.learn-smth {
    
    font-weight: 700;
    font-size: 70px;
    line-height: 1.2;
    
}

.lorem {
    font-weight: 600;
    font-size: 38px;
    padding-top: 40px;
    padding-bottom: 60px;
    
}