background-image: url("IMAGE_URL"), linear-gradient(#eb01a5, #d13531);
#show_bg_2 { background-image: /*two color gradient over an image*/ linear-gradient(to bottom, rgba(245, 246, 252, 0.52), rgba(117, 19, 93, 0.73)),url('images/background.jpg'); width: 80%; height: 400px; background-size: cover; }
.element { background: linear-gradient(pink 50%, cyan 50%); }
.gradient { background-image: linear-gradient(angle, color1, color2) // angle: 90deg, color1: red, color2:darkred }