.msgboxmonit {
    margin: 0 auto 20px;
    width: 700px;
    padding: 11px 0;
    font-size: 11px;
    text-align: center;
    font-family: "Trebuchet MS", Tahoma, Arial, Helvetica, sans-serif;
    font-weight: bold;
    -moz-border-radius: 7px;
    -webkit-border-radius: 7px;
    -o-border-radius: 7px;
    -moz-box-shadow: 0px 1px 3px #888;
    -webkit-box-shadow: 0px 1px 3px #888;
    box-shadow: 0px 1px 3px #888;
    /* Anciens navigateurs */
    -o-background-size: 100% 100%;
    -moz-background-size: 100% 100%;
    -webkit-background-size: 100% 100%;
    background-size: 100% 100%;
 }

 .msgboxmonit-red {
    border: 1px red solid;
    background-color: #FDD;
    background-image: -webkit-gradient(linear,left top, left bottom,from(#FEE),to(#FDD));
    background-image: -webkit-linear-gradient(top,#FEE,#FDD);
    background-image: -moz-linear-gradient(top,#FEE,#FDD);
    background-image: -o-linear-gradient(top,#FEE,#FDD);
    background-image: linear-gradient(top,#FEE,#FDD);
 }
 
  .msgboxmonit-orange {
    border: 1px orange solid;
    background-color: #FFD;
    background-image: -webkit-gradient(linear,left top, left bottom,from(#FFE),to(#FFD));
    background-image: -webkit-linear-gradient(top,#FFE,#FFD);
    background-image: -moz-linear-gradient(top,#FFE,#FFD);
    background-image: -o-linear-gradient(top,#FFE,#FFD);
    background-image: linear-gradient(top,#FFE,#FFD);
 }

 .msgboxmonit-green {
    border: 1px #659900 solid;
    background-color: #DFD;
    background-image: -webkit-gradient(linear,left top, left bottom,from(#EFE),to(#DFD));
    background-image: -webkit-linear-gradient(top,#EFE,#DFD);
    background-image: -moz-linear-gradient(top,#EFE,#DFD);
    background-image: -o-linear-gradient(top,#EFE,#DFD);
    background-image: linear-gradient(top,#EFE,#DFD);
 }

 .msgboxmonit-grey {
    border: 1px #CCC solid;
    background-color: #DDD;
    background-image: -webkit-gradient(linear,left top, left bottom,from(#FFF),to(#DDD));
    background-image: -webkit-linear-gradient(top,#FFF,#DDD);
    background-image: -moz-linear-gradient(top,#FFF,#DDD);
    background-image: -o-linear-gradient(top,#FFF,#DDD);
    background-image: linear-gradient(top,#FFF,#DDD);
}