Tighten up space between blog grid image and title

To move the title and other text up on DIVI grid, add this css code to Divi - Theme Options - General - Custom Css:

.et_pb_blog_1 .et_pb_post .post-content {
margin-top: -30px;
}
.et_pb_blog_2 .et_pb_post .post-content {
margin-top: -30px;
}
.et_pb_blog_3 .et_pb_post .post-content {
margin-top: -30px;
}