* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
}
h2{
	color: white;
}

.column {
  float: left;
  width: 25%;
  padding: 10px;
}


.column img {
  opacity: 0.8; 
  cursor: pointer; 
}

.column img:hover {
  opacity: 1;
}


.row:after {
  content: "";
  display: table;
  clear: both;
}


.container {
  position: relative;
  display: none;
}


#imgtext {
  position: absolute;
  bottom: 15px;
  left: 15px;
  color: white;
  font-size: 20px;
}


.closebtn {
  position: absolute;
  top: 10px;
  right: 15px;
  color: white;
  font-size: 35px;
  cursor: pointer;
}
header {
    background-color: #E16161;
    color: #fff;
    text-align: center;
    padding: 20px 0;
}