.icongrid-frontimage .avia-icongrid {
  display: flex;
  flex-flow: row wrap;
  justify-content: space-evenly;   /*** play with different values f.e. center; space-between; space-around; space-evenly ***/
}

.icongrid-frontimage .avia-icongrid::before, 
.icongrid-frontimage .avia-icongrid::after {
  display: none;
}

.icongrid-frontimage .avia-icongrid li {
  flex: 1 1 auto;  /*** you can test here  0 1 auto ***/
  min-width: 250px;
  max-width: 330px;
  width: unset !important;
  margin: 30px;
}

.icongrid-frontimage .avia-icongrid-flipback h3 {
  line-height: 1.3em;
}

.icongrid-frontimage .avia-icongrid-flipback p {
  line-height: 1.3em;
}

.icongrid-frontimage .avia-icongrid-flipbox li .avia-icongrid-front, 
.icongrid-frontimage .avia-icongrid-flipbox li .avia-icongrid-flipback {
  box-shadow: 2px 3px 15px #333;
}

.icongrid-frontimage .avia-icongrid-flipback .mbut1 .avia-button {
  margin-top: 9px;
}

.icongrid-frontimage .avia-icongrid-flipbox li .avia-icongrid-front .avia-icongrid-inner, 
.icongrid-frontimage .avia-icongrid-flipbox li .avia-icongrid-flipback .avia-icongrid-inner {
  padding: 0 0.5em;
}

.icongrid-frontimage .avia-icongrid-text .wp-caption-text {
  font-size:14px
}

.icongrid-frontimage .avia-icongrid li .avia-icongrid-content {
  padding: 1em;
}

.icongrid-frontimage .avia-icongrid-front .frontside_background {
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
}

.icongrid-frontimage .avia-icongrid-front .frontside_background:after {
  content: "";
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  position: relative;
  display: inline-block;
}

.icongrid-frontimage .avia-icongrid-front .entry-content-header .av_icongrid_title,
.icongrid-frontimage .avia-icongrid-front .entry-content-header .av_icongrid_subtitle {
  text-shadow: 2px 2px 4px #000;
}

.icongrid-frontimage .avia-icongrid-front .entry-content-header .av_icongrid_title {
  font-size: 24px !important;
}

.icongrid-frontimage .avia-icongrid-front .entry-content-header .av_icongrid_subtitle {
  font-size: 18px !important;
}

.icongrid-frontimage .avia-icongrid-flipbox li .avia-icongrid-front .avia-icongrid-inner {
  top: calc(100% - 30px);
  min-height: 61px;
  background-color: inherit;
}

.icongrid-frontimage .avia-icongrid-flipbox li .avia-icongrid-front .avia-icongrid-inner .entry-content-header {
  position: absolute;
  top:50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.icongrid-frontimage .avia-icongrid-content .avia-icongrid-text > *:first-child > .wp-caption-text , 
.icongrid-frontimage .avia-icongrid-flipback .avia-icongrid-text > *:first-child > .wp-caption-text ,
.icongrid-frontimage .avia-icongrid-content .avia-icongrid-text > *:first-child > img , 
.icongrid-frontimage .avia-icongrid-flipback .avia-icongrid-text > *:first-child > img {
  display: none !important;
}

.icongrid-frontimage .avia-icongrid-flipback .avia-icongrid-text {
  position: relative;
}

.icongrid-frontimage .avia-icongrid-text > * {
 left:50%;
 transform:translateX(-50%);
 position: relative;
}

/**** 
.icongrid-frontimage .av_icongrid_subtitle.icongrid_subtitle {
  display: none;
}
****/

.icongrid-frontimage .avia-icongrid-content .wp-caption, 
.icongrid-frontimage .avia-icongrid-flipback .wp-caption {
  margin: 0 !important
}

.icongrid-frontimage .avia-icongrid-content .wp-caption:nth-of-type(2) img, 
.icongrid-frontimage .avia-icongrid-flipback .wp-caption:nth-of-type(2) img {
  width: 100% !important;
}

@media only screen and (max-width: 769px) {
  .icongrid-frontimage .avia-icongrid li {
    flex: 0 1 auto;
    min-width: 340px;
    max-width: 340px;
    width: unset !important;
    margin: 20px;
    min-height: unset;
  }
  .icongrid-frontimage .avia-icongrid-flipback h3 {
    font-size: 1.2em;
  }
}