#fw-section-custom-html-0b84e369-412c-4b28-87a7-5dd15902a4f8 {

iframe{      
        display: block;  /* iframes are inline by default */   
        height: 100vh;  /* Set height to 100% of the viewport height */   
        width: 100vw;  /* Set width to 100% of the viewport width */     
        border: none; /* Remove default border */
    }
}