header,footer{
    text-align: center;
}
#main{
    width: 1240px;
    display: flex;
    margin: 0 auto 50px;
}
section{
    background-color: rgb(37, 209, 80);
    width: 800px;
    border-radius: 16px;
    padding: 10px;
    box-shadow: 0px 0px 8px rgba(0,0,0,0.4);
}
.header{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}