body, ul, h1, p {
    margin: 0;
    padding: 0;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
}

.banner {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #2d00a8;
    z-index:10;
}

.main-title {
    font-size: 40px;
    color: rgb(255, 255, 255);
    font-weight: bold;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.main-nav {
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
}

.main-nav li a {
    margin: 5px;
    padding: 10px;
    color: #fff;
    text-transform: uppercase;
    border-radius: 5px;
    border: 1px solid #fff;
    background: transparent;
    transition: all 0.5s ease-in;
    font-style: bold;
}

.main-nav li a:hover {
    border: 1px solid #2d00a8;
    box-shadow: 0 0 3px #67c2ff, 0 0 7px #67c2ff, 0 0 20px #67c2ff;
}

.logo {
    width: 150px;
    height: 100%;
}
  
.dropdown .dropbtn {
    margin: 5px;
    padding: 10px;
    color: #fff;
    text-transform: uppercase;
    border-radius: 5px;
    border: 1px solid #fff;
    background: transparent;
    transition: all 0.5s ease-in;
    cursor: pointer;
    font-style: bold;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: transparent;
    min-width: fit-content;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
}
  
.dropdown-content a {
    float: none;
    color: #ffffff;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-align: left;
    margin-bottom: 1px;
    text-transform: uppercase;
    border-radius: 5px;
    border: 1px solid #ffffff;
    background: transparent;
    background-color: #2d00a8;
    transition: all 0.3 ease-in-out;
}
  
.dropdown-content a:hover {
    color: #2d00a8;
    border-color: #2d00a8;
    background-color: #ffffff;
}
  
.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown:hover .dropbtn {
    border: 1px solid #2d00a8;
    box-shadow: 0 0 3px #67c2ff, 0 0 7px #67c2ff, 0 0 20px #67c2ff;
}

.background {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url("Images/background.png");
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-color: transparent;
    color: #fff;
    padding: 20px;
    height: 100vh;
}

.whats-programming {
    flex: 0 0 40%;
    display: flex;
    flex-direction: column;
    width: 30%;
    transform: translateX(-100%);
    position: relative;
    top: -5%;
}

.whats-programming h1 {
    margin-bottom: 15px;
    font-size: 25px;
    font-style: bold;
}

.whats-programming p {
    font-size: 20px;
}

.why-to-learn {
    flex: 0 0 40%;
    display: flex;
    flex-direction: column;
    width: 30%;
    transform: translateX(100%);
    position: relative;
    top: 5%;
}

.why-to-learn h1 {
    margin-bottom: 15px;
    font-size: 25px;
    font-style: bold;
}

.why-to-learn p {
    font-size: 20px;
}

.contacts {
    flex: 0 0 10%;
    display: flex;
    flex-direction: column;
    width: 30%;
    transform: translateX(-100%);
    position: relative;
    top: -20%;
}

.contacts h1 {
    margin-bottom: 15px;
    font-size: 25px;
    font-style: bold;
}

.contacts p {
    font-size: 20px;
}

.made-by {
    flex: 0 0 10%;
    display: flex;
    flex-direction: column;
    width: 30%;
    transform: translateX(120%);
    position: relative;
    top: 20%;
}

.made-by h1 {
    margin-bottom: 15px;
    font-size: 25px;
    font-style: bold;
}

.made-by p {
    font-size: 20px;
}

.introduction {
    flex: 0 0 40%;
    display: flex;
    flex-direction: column;
    width: 30%;
    transform: translateX(-100%);
    position: relative;
    top: -5%;
}

.introduction h1 {
    margin-bottom: 15px;
    font-size: 25px;
    font-style: bold;
}

.introduction p {
    font-size: 20px;
}

.our-interests {
    flex: 0 0 40%;
    display: flex;
    flex-direction: column;
    width: 30%;
    transform: translateX(100%);
    position: relative;
    top: 5%;
}

.our-interests h1 {
    margin-bottom: 15px;
    font-size: 25px;
    font-style: bold;
}

.our-interests p {
    font-size: 20px;
}

.python-nav {
    justify-content: space-around;
    align-items: center;
    position: absolute;
    top: 20%;
    left: 0;
}

.python-nav li a {
    display: block;
    margin: 5px;
    padding: 10px;
    color: #fff;
    text-transform: uppercase;
    border-radius: 5px;
    border: 1px solid #fff;
    background: transparent;
    transition: all 0.5s ease-in;
    font-style: bold;
}

.python-nav li a:hover {
    border: 1px solid #2d00a8;
    box-shadow: 0 0 3px #67c2ff, 0 0 7px #67c2ff, 0 0 20px #67c2ff;
}

.variables-text-python {
    flex: 0 0 40%;
    display: none;
    flex-direction: column;
    width: 50%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 20%;
}

.variables-text-python h1 {
    margin-bottom: 15px;
    font-size: 25px;
    font-style: bold;
}

.variables-text-python p {
    font-size: 20px;
}

.code-example-variables-python {
    width: auto;
    background-color: #fff;
    color: #000;
    padding: 8px 12px;
    border-left: 4px solid #00cbda;
    word-wrap: break-word;
    border-radius: 5px;
}

.lists-text-python {
    flex: 0 0 40%;
    display: none;
    flex-direction: column;
    width: 50%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 20%;
}

.lists-text-python h1 {
    margin-bottom: 15px;
    font-size: 25px;
    font-style: bold;
}

.lists-text-python p {
    font-size: 20px;
}

.code-example-lists-python {
    width: auto;
    background-color: #fff;
    color: #000;
    padding: 8px 12px;
    border-left: 4px solid #00cbda;
    word-wrap: break-word;
    border-radius: 5px;
}

.if-text-python {
    flex: 0 0 40%;
    display: none;
    flex-direction: column;
    width: 50%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 20%;
}

.if-text-python h1 {
    margin-bottom: 15px;
    font-size: 25px;
    font-style: bold;
}

.if-text-python p {
    font-size: 20px;
}

.code-example-if-python {
    width: auto;
    background-color: #fff;
    color: #000;
    padding: 8px 12px;
    border-left: 4px solid #00cbda;
    word-wrap: break-word;
    border-radius: 5px;
}

.for-text-python {
    flex: 0 0 40%;
    display: none;
    flex-direction: column;
    width: 50%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 20%;
}

.for-text-python h1 {
    margin-bottom: 15px;
    font-size: 25px;
    font-style: bold;
}

.for-text-python p {
    font-size: 20px;
}

.code-example-for-python {
    width: auto;
    background-color: #fff;
    color: #000;
    padding: 8px 12px;
    border-left: 4px solid #00cbda;
    word-wrap: break-word;
    border-radius: 5px;
}

.while-text-python {
    flex: 0 0 40%;
    display: none;
    flex-direction: column;
    width: 50%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 20%;
}

.while-text-python h1 {
    margin-bottom: 15px;
    font-size: 25px;
    font-style: bold;
}

.while-text-python p {
    font-size: 20px;
}

.code-example-while-python {
    width: auto;
    background-color: #fff;
    color: #000;
    padding: 8px 12px;
    border-left: 4px solid #00cbda;
    word-wrap: break-word;
    border-radius: 5px;
}

.csharp-nav {
    justify-content: space-around;
    align-items: center;
    position: absolute;
    top: 20%;
    left: 0;
}

.csharp-nav li a {
    display: block;
    margin: 5px;
    padding: 10px;
    color: #fff;
    text-transform: uppercase;
    border-radius: 5px;
    border: 1px solid #fff;
    background: transparent;
    transition: all 0.5s ease-in;
    font-style: bold;
}

.csharp-nav li a:hover {
    border: 1px solid #2d00a8;
    box-shadow: 0 0 3px #67c2ff, 0 0 7px #67c2ff, 0 0 20px #67c2ff;
}

.variables-text-csharp {
    flex: 0 0 40%;
    display: none;
    flex-direction: column;
    width: 50%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 20%;
}

.variables-text-csharp h1 {
    margin-bottom: 15px;
    font-size: 25px;
    font-style: bold;
}

.variables-text-csharp p {
    font-size: 20px;
}

.code-example-variables-csharp {
    width: auto;
    background-color: #fff;
    color: #000;
    padding: 8px 12px;
    border-left: 4px solid #00cbda;
    word-wrap: break-word;
    border-radius: 5px;
}

.input-text-csharp {
    flex: 0 0 40%;
    display: none;
    flex-direction: column;
    width: 50%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 20%;
}

.input-text-csharp h1 {
    margin-bottom: 15px;
    font-size: 25px;
    font-style: bold;
}

.input-text-csharp p {
    font-size: 20px;
}

.code-example-input-csharp {
    width: auto;
    background-color: #fff;
    color: #000;
    padding: 8px 12px;
    border-left: 4px solid #00cbda;
    word-wrap: break-word;
    border-radius: 5px;
}

.if-text-csharp {
    flex: 0 0 40%;
    display: none;
    flex-direction: column;
    width: 50%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 20%;
}

.if-text-csharp h1 {
    margin-bottom: 15px;
    font-size: 25px;
    font-style: bold;
}

.if-text-csharp p {
    font-size: 20px;
}

.code-example-if-csharp {
    width: auto;
    background-color: #fff;
    color: #000;
    padding: 8px 12px;
    border-left: 4px solid #00cbda;
    word-wrap: break-word;
    border-radius: 5px;
}

.for-text-csharp {
    flex: 0 0 40%;
    display: none;
    flex-direction: column;
    width: 50%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 20%;
}

.for-text-csharp h1 {
    margin-bottom: 15px;
    font-size: 25px;
    font-style: bold;
}

.for-text-csharp p {
    font-size: 20px;
}

.code-example-for-csharp {
    width: auto;
    background-color: #fff;
    color: #000;
    padding: 8px 12px;
    border-left: 4px solid #00cbda;
    word-wrap: break-word;
    border-radius: 5px;
}

.while-text-csharp {
    flex: 0 0 40%;
    display: none;
    flex-direction: column;
    width: 50%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 20%;
}

.while-text-csharp h1 {
    margin-bottom: 15px;
    font-size: 25px;
    font-style: bold;
}

.while-text-csharp p {
    font-size: 20px;
}

.code-example-while-csharp {
    width: auto;
    background-color: #fff;
    color: #000;
    padding: 8px 12px;
    border-left: 4px solid #00cbda;
    word-wrap: break-word;
    border-radius: 5px;
}

.footer {
    position: static;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2%;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    background-color: #000000;
    color: #ffffff;
}
.footer p {
    margin: 3px 0;
}

.footer h3 {
    margin-bottom: 10px;  
}

.footer-content-right
{
    flex: 0 1 auto;
    display: flex;
    flex-direction: column;
}

.footer-logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: max-content;
}

.footer-content-left
{
    flex: 0 1 20%;
    display: flex;
    flex-direction: column;
}

.bottom-center
{
    flex: 1 0 100%;
    text-align: center;
    margin-top: 50px;
}


@media screen and (max-width: 1300px) {
    .main-title {
        position: relative;
        align-items: center;
        left: 0;
        transform: translateX(0%);
    }
}

@media (max-width: 850px) {
    .main-title {
        font-size: 30px;
    }
}

@media (max-width: 770px) {
    .main-title {
        font-size: 20px;
    }
}

@media (max-width: 700px) {
    .main-title {
        font-size: 15px;
    }
}

@media (max-width: 665px) {
    .main-title {
        display: none;
    }
}