body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: rgb(53, 53, 53);
}
nav {
    background-color: #2b2b2b;
    overflow: hidden;
}
nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
}
nav li {
    float: left;
}
nav li a {
    display: block;
    color: rgb(187, 187, 187);
    text-align: center;
    padding: 14px 20px;
    text-decoration: none;
}
nav li a:hover {
    color: #ffffff;
}
.container {
    text-align: center;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    color: aliceblue;
}
.menu-nav {
    display: inline-flex;
    flex-direction: row;
}
.px-2 {
    padding-left: .5rem;
    padding-right: .5rem;
}
.flex-1 {
    flex: 1 1 0%;
}
.mx-2 {
    margin-left: .5rem;
    margin-right: .5rem;
}
.items-center {
    align-items: center;
}
.topnav {
    background-color: #333;
    overflow: hidden;
}
.topnav a {
  float: left;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
}
.topnav a:hover {
  background-color: #ddd;
  color: black;
}
.topnav a.active {
  background-color: #04AA6D;
  color: white;
}
.topnav-right {
  float: right;
}
.hrct {
    border: none;
    height: 2px;
    background-color: #000;
    margin: 20px 0;
}
.py-10 {
    padding-top: 2.5rem;
    padding-bottom: 2.5rem;
}
.px-4 {
    padding-left: 1rem;
    padding-right: 1rem;
}
.items-center {
    align-items: center;
}
.flex-col {
    flex-direction: column;
}
.flex {
    display: flex;
}
.start-button {
    background-color: #72657a;
    border: none;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block; 
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
    border-radius: 50px;
}
.center {
    display: center;
}
html {
    scroll-behavior: smooth;
}
::-webkit-scrollbar {
    width: 3px;
}
::-webkit-scrollbar-track {
    background: rgb(0, 0, 0);
}
::-webkit-scrollbar-thumb {
    border-radius: 25px;
    background: -webkit-linear-gradient(transparent, rgb(39, 38, 38));
}
footer {
    margin-top: auto;
    padding: 10px;
    font-size: 13.5px;
    background-color: #313131;
    color: #dfdfdf;
    flex-shrink: 0;
}

footer a {
    text-decoration: none;
    color: #ffffff;
}

footer a:hover {
    text-decoration: none;
}