/* Target both the webform wrapper and any theme layout containers directly surrounding it */
.webform-submission-form,
main .webform-submission-form,
.region-content .webform-submission-form {
    background-color: rgba(255, 255, 255, 0.5); /* 75% solid white */ 
    padding: 30px; 
    border-radius: 8px; 
    box-shadow: 0 4px 10px rgba(0,0,0,0.1); 
    
    /* Forces the form to expand past theme layout rules */
    width: 100% !important;
    max-width: 1200px !important; 
    
    /* Overrides centering and forces alignment slightly to the left */
    margin-top: 0 !important;
    margin-bottom: 0 !important;
    margin-left: 5% !important;   
    margin-right: auto !important; 
}