.cru-card { border-radius: var(--cru-card-border-radius); transition: all 0.3s; } .cru-card-background-none { background-color: transparent; } .cru-card-background-solid { background-color: var(--cru-background-color); } .cru-card-background-grayscale { background-color: var(--cru-container-background-color); } .cru-card-border-color { border: 2px solid var(--cru-card-border-color); }