* {
  box-sizing: border-box;
}


body { 
 font-family: "Trebuchet MS", Helvetica, sans-serif;
 font-size: calc(16px + 0.390625vw); 
}

h1,h2,h3,h4,h5,h6 {
 font-family: "Trebuchet MS", Helvetica, sans-serif;
 font-size: calc(16px + 0.390625vw); 
 line-height: 1.2; } 

h1 { font-size: 3.5rem; background: transparent; text-shadow: 3px 2px 0px #888; font-weight: 800; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2.0rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.0rem; }
h6 { font-size: 0.5rem; }

hr.rs-hr {
 width: 33%;
 height: 3px;
 margin-left: auto;
 margin-right: auto;
 margin-top: 32px;
 margin-bottom: 32px;
 background-color: #6271c8;
}

.row {
  display: -ms-flexbox; /* IE10 */
  display: flex;
  -ms-flex-wrap: wrap; /* IE10 */
  flex-wrap: wrap;
  padding: 0 4px;
}

/* Create four equal columns that sits next to each other */
.column {
  -ms-flex: 25%; /* IE10 */
  flex: 25%;
  max-width: 25%;
  padding: 0 4px;
}

.column img {
  margin-top: 8px;
  vertical-align: middle;
  width: 100%;
}

/* Responsive layout - makes a two column-layout instead of four columns */
@media (max-width: 1000px) {
  .column {
    -ms-flex: 50%;
    flex: 50%;
    max-width: 50%;
  }
}

/* Responsive layout - makes the two columns stack on top of each other instead of next to each other */
@media (max-width: 700px) {
  .column {
    -ms-flex: 100%;
    flex: 100%;
    max-width: 100%;
  }
}

img: hover {
  box-shadow: 0 0 2px 1px rgba(0, 140, 186, 0.5);
}

.overlay {
  position: absolute;
  bottom: 0;
  background: rgb(0, 0, 0);
  background: rgba(0, 0, 0, 0.5); /* Black see-through */
  color: #f1f1f1;
  width: 100%;
  transition: .5s ease;
  opacity:0;
  color: white;
  font-size: 20px;
  padding: 20px;
  text-align: center;
}

.container:hover .overlay {
  opacity: 1;
}

rs-modal-content {
 margin: auto; 
 background-color: #fff; 
 position:relative; 
 padding:0; 
 outline:0; 
 width: 600px;
 height: auto;
}