Update file style.css

public/style.css

+* {
+    margin: 0;
+    padding: 0;
+    box-sizing: border-box;
+    font-family: 'Poppins', sans-serif;
+}
+
+body {
+    color: #fff;
+}
+
+.header {
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100%;
+    padding: 20px 10%;
+    background: transparent;
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    z-index: 100;
+}
+
+.logo {
+    font-size: 32px;
+    color: #fff;
+    text-decoration: none;
+    font-weight: 700;
+    filter: drop-shadow(0 0 5px #09001d);
+}
+
+.navbar a {
+    font-size: 18px;
+    color: #fff;
+    text-decoration: none;
+    font-weight: 500;
+    margin-left: 35px;
+}
+
+.navbar a:hover, 
+.navbar a.active {
+    color: blue;
+}
+
+.main {
+    min-height: 100vh;
+    background: url("background.jpg") no-repeat;
+    background-size: cover;
+    background-position: center;
+}
+
+.home {
+    height: 100vh;
+    width: 100%;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+}
+
+.home-content {
+    max-width: 600px;
+    display: flex;
+    align-items: center;
+    flex-direction: column;
+}
+
+.home-content h1 {
+    font-size: 85px;
+    font-weight: 700;
+    text-shadow: 0 0 10px rgba(0, 0, 0, .3);
+}
+
+.home-content p {
+    font-size: 20px;
+    text-align: center;
+    text-shadow: 0 0 10px rgba(0, 0, 0, .3);
+    margin-bottom: 30px;
+}
+
+.home-content .start-button {
+    width: 190px;
+    height: 55px;
+    background: blue;
+    border: 2px solid #fff;
+    outline: none;
+    border-radius: 6px;
+    box-shadow: 0 0 10px blue;
+    font-size: 18px;
+    color: #fff;
+    letter-spacing: 1px;
+    font-weight: 600;
+    cursor: pointer;
+    transition: .5s;
+}
+
+.home-content .start-button:hover {
+    background: #09001d;
+    box-shadow: none;
+}
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