*{padding: 0px; margin: 0px; font-family: sans-serif; text-decoration: none; list-style: none}
boby{width: 100%}
a, a:visited, a:hover{color: inherit;}
.red{border: solid 1px red} .green{borde: solid 1px #00f200
                            }
.none{display: none}
.column{ display: flex; flex-direction: column}
.center{justify-content: center; align-items: center; align-content: center}
.grow1{flex-grow: 1}
.rr{flex-direction: row-reverse}