redimensionner l'attribut CSS
/* Keyword values */
resize: none;
resize: both;
resize: horizontal;
resize: vertical;
resize: block;
resize: inline;
/* Global values */
resize: inherit;
resize: initial;
resize: revert;
resize: unset;
/* Keyword values */
resize: none;
resize: both;
resize: horizontal;
resize: vertical;
resize: block;
resize: inline;
/* Global values */
resize: inherit;
resize: initial;
resize: revert;
resize: unset;