.image-loading {
  background: transparent url('../../images/loading/vistakom.gif') center no-repeat;
}

.image-box {
  width: 100%;
  height: auto;
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
  padding: 5px;
  margin: 10px 0;
  border-radius: 10px; /*edit*/
  background-color: #F7F7F7;
}

.image-box img {
  width: 100%;
  height: auto;
  border-radius: 10px; /*edit*/
  transition: all 2s;
  -webkit-transition: all 2s;
  -moz-transition: all 2s;
  -o-transition: all 2s;
}

.grid-layout {
  -webkit-column-count: 4;
  -moz-column-count: 4;
  column-count: 4;
  -webkit-column-gap: 20px;
  -moz-column-gap: 20px;
  column-gap: 20px;
  margin: 0 auto;
}

.grid-item {
  display: inline-block;
  padding: 20px;
  margin: 25px 0;
  max-width: 100%;
  box-sizing: border-box;
  break-inside: avoid;
}

.box {
  padding: 0;
  position: relative;
  margin: 0 0 20px;
  box-sizing: border-box;
  display: block;
}

.box:hover .image-box {
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -o-transition: all 0.5s;
  -webkit-box-shadow: 0px 4px 28px 0px rgba(0,0,0,0.75);
  -moz-box-shadow: 0px 4px 28px 0px rgba(0,0,0,0.75);
  box-shadow: 0px 4px 28px 0px rgba(0,0,0,0.75);
  background-color: white;
}


/*--------------------------------- Media Queries --------------------------------------*/

@media (min-width: 1500px) {
  .grid-layout {
    -webkit-column-count: 4;
    -moz-column-count: 4;
    column-count: 4;
  }
}

@media (max-width: 1024px) {
  .grid-layout {
    -webkit-column-count: 3;
    -moz-column-count: 3;
    column-count: 3;
  }
}

@media (max-width: 768px) {
  .grid-layout {
    -webkit-column-count: 2;
    -moz-column-count: 2;
    column-count: 2;
  }
}

@media (max-width: 450px) {
  .box h3 {  
    font-size: calc(1.0*1.0*1.0 *1rem);
  }

  .grid-layout {
    -webkit-column-count: 2;
    -moz-column-count: 2;
    column-count: 2;
  }
}

@media (max-width: 400px) {
  .box h3 {  
    font-size: calc(1.0*1.0*1.0 *1rem);
  }

  .grid-layout {
    -webkit-column-count: 2;
    -moz-column-count: 2;
    column-count: 2;
  }
}

@media (max-width: 360px) {
  .box h3 {  
    font-size: calc(1.0*1.0*1.0 *1rem);
  }

  .grid-layout {
    -webkit-column-count: 2;
    -moz-column-count: 2;
    column-count: 2;
  }
}

@media (max-width: 350px) {
  .box h3 {  
    font-size: calc(1.0*1.0*1.0 *1rem);
  }

  .grid-layout {
    -webkit-column-count: 1;
    -moz-column-count: 1;
    column-count: 1;
  }
}