body {
    font-family: Arial, sans-serif;
    background-color: #f8f9fa;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
header {
    background-color: #007bff;
    color: white;
    padding: 20px 0;
    width: 100%;
}
.logo {
    height: 150px;
    width: 150px;
    user-select: none;
}
main {
    max-width: 800px;
    margin: 20px;
    padding: 20px;
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
picture {
    display: block;
    max-width: 100%;
    margin-bottom: 20px;
}
img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
.btn {
    display: inline-block;
    width: 220px;
    margin: 10px;
    padding: 15px 30px;
    color: #FFFFFF;
    background-color: #0056b3;
    text-decoration: none;
    border-radius: 5px;
    font-size: 16px;
}
.btn:hover {
    background-color: #003f7f;
}
.description {
    margin: 20px 0;
    text-align: left;
}
.description h2 {
    margin-bottom: 10px;
}
.description p {
    margin: 10px 0;
    line-height: 1.6;
}
.screenshots {
    margin: 40px 0;
    text-align: left;
}
.screenshots h2 {
    margin-bottom: 20px;
}
.screenshots picture {
    width: 100%;
    max-width: 350px;
    margin: 10px;
}
@media screen and (max-width: 600px) {
main {
margin: 10px;
padding: 10px;
}

.section {
flex-direction: column;
align-items: center;
margin-top: 10px;
margin-bottom: 10px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.section img {
max-width: 100%;
}

.section .text {
margin-left: 0;
margin-top: 20px;
text-align: center;
}
.btn {
width: 80%;
}
}