Please try adding the following Custom CSS in the Global Custom CSS area under Theme Settings >> Custom CSS.
.product-video-button>a:before {
content: none;
}
body .product-360-button>a>span, body .product-video-button>a>span, body .woodmart-show-product-gallery-wrap>a>span {
max-width: 120px;
padding: 0 20px 0 20px;
}