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.w{ font-family: Arial, Helvetica, sans-serif; font-size: 10pt; font-weight: bold; color: #000000; background-color: #C0C0C0; text-align: center}
.y{ font-family: Arial, Helvetica, sans-serif; font-size: 10pt; font-weight: bold; color: #FFFFFF; background-color: #000000; text-align: center}
.x{ font-family: Arial, Helvetica, sans-serif; font-size: 10pt; font-weight: bold; color: #FFFFFF; background-color: #00a0ff; text-align: center}