Ver el código de «Plantilla:Aviso mundial/styles.css»

/* Los estilos CSS colocados aquí se aplicarán a todas las apariencias */
#globalnotice {
    color:#000 !important;
    margin: 0px !important;
    padding: 0px !important;
    border-radius: 5px 5px 5px 5px;
    background-color:rgba(100%,100%,100%,1) !important;
    border-width: 1px !important;
    border-color: rgba( 0, 20, 45, .5) !important;
    border-style: solid !important;
    color: rgba( 0%,0%,0%,1) !important;
    box-shadow: 2px 2px 2px rgba(0%,0%,0%,0.2) !important;
    line-height: 1.2 !important;
    background: linear-gradient(to top, #efefef, #fff);
    margin-bottom: 10px !important;
}

#maintext {
padding:10px;
font-size:14px;
font-weight: bold;
text-align: center;
}