.tabelas_bd_item{ padding: 10px; border: 1px solid #D0D0D0; border-radius: 3px; margin-bottom: 5px; width: 100%; box-sizing: border-box;}
.tabelas_bd_item:hover{background: #D0D0D0; color: white; box-sizing: border-box;} 
.tabelas_bd_item:hover a{color: white; } 
.colunas_bd_item{margin-left: 20px; box-sizing: border-box; width: calc(100% - 20px);}
.abrir_colunas_bd{margin-bottom: 10px; width: calc(100% - 20px); padding: 10px; box-sizing: border-box; border: solid 1px #D0D0D0; border-radius: 5px; margin-left: 20px; display: none;}
.btnRight{float: right; margin-top: -5px; }