.wFormContainer {
     font-family: Trebuchet MS, Helvetica, sans-serif;
}

.wForm .preField, .wForm .inlineLabel {
     font-family: Trebuchet MS, Helvetica, sans-serif;
}

.wForm input[type=button], .wForm input[type=submit] {
     font-family: Trebuchet MS, Helvetica, sans-serif;
}