body {
    font-family: Arial, Helvetica, sans-serif;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
    
}
.container {
    display: flex;
    justify-content: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    flex-grow: 1;
}
.sidebar {
    width: 30%;
    padding: 30px;
    color: rgb(22, 21, 21);
}
footer {
    margin-top: auto;
    padding: 20px;
}   
.content {
    width: 70%;
    padding: 30px;
}
.avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin: 20px auto;
    display: block;
    border: 3px solid white;
}
h1 {
   font-size: 30px;
   margin-bottom: 5px;
   
}
h2 {
   font-size: 20px;
   font-family: cursive;
   color: rgb(13, 13, 14);
}
h3 {
    font-size: 20px;
    border-bottom: 2px solid #3498db;
    padding-bottom: 5px;
    margin-top: 25px;
}
ul {
    padding-left: 20px;
}
li {
    margin-bottom: 8px;
}


@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }
    .sidebar , .container {
         width: 100%;
    }
}