@charset "UTF-8";
header{
    width:1000px;
    background-color:#ffcccc;
}
#wrapper {
    width:1000px;
    display: flex;
}
#main{
    width:700px;
    background-color:#ccffcc;
}
#menu{
    width:300px;
    background-color:#ccccff;
}footer{
    width:1000px;
    background-color:#ffccff;
}