body{
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f4f4f9;
    color: #333;
    margin: 0;
    padding: 0;
}
header{
    background-color: #007bff;
    color:White;
    text-align: center;
    padding: 10px;
}
header h1{
    margin-top:0;
}
nav ul{
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 20px;
}
nav a{
    color: #f4f4f9;
    text-decoration: none;
    font-weight: bold;
    padding: 5px 10px;
    transition: backgroud-color 10s;
    
    
}
nav a:hover{
    color:#333;
}
main{
    display: flex;
    justify-content: space-around;
    align-items: flex-start;
    flex-wrap:wrap ;
    padding: 20px;
    gap:20px; 
}
section{
    flex:3;
    background-color: white;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
aside{
    flex:1;
    background-color: white;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
form label,form input{
    display: block;

}
footer{
    background-color:#333;
    color:white;
    text-align: center;

}