Histórico da Página

<style type="text/css">
.confluence-information-macro {
    width: calc(100% - 25px);
    background: #fff !important; 
    border: 0;
    -moz-border-radius: 0px !important;
    -webkit-border-radius: 0px !important;
    border-radius: 0px !important;
    color: #333;
    margin: 10px 0 1em 0;
    min-height: 20px;
    padding: 10px;
    position: relative;
}

.confluence-information-macro p.title{
    padding-left: 20px;
    margin-top: 0px;
	margin-bottom: 5px;
}

.confluence-information-macro .confluence-information-macro-icon.aui-iconfont-error{
	color: #fff;
}

.confluence-information-macro-warning{
	background-color: #d04437 !important;
	color: #fff;
}
</style>

Com o css acima, o macro de Atenção ficou dessa forma!