.cs-button-4 {text-align: center;font-size: 1rem;line-height: clamp(2.875rem, 8vw, 3.5rem);text-decoration: none;font-weight: 700;min-width: 10.875rem;margin: 0;overflow: hidden;color: #fff;padding: 0 3rem;box-sizing: border-box;background-color: #1a1a1a;display: inline-block;position: relative;z-index: 1;}.cs-button-4:before {content: '';width: 150%;height: 110%;background: var(--primary);opacity: 1;position: absolute;display: block;top: 50%;left: -130%;z-index: -2;transform: skew(45deg) translateY(-50%);transition: left 0.3s;}.cs-button-4:hover:before {left: -20%;}