* {
    box-sizing: border-box;
}

body {
    /*background-color: #f1f1f1;*/
    /*padding: 20px;*/
    /*font-family: Arial;*/
}

/* Center website */
.main {
    /*max-width: 1000px;*/
    /*max-width: 1000px;*/
    /*margin: auto;*/
    text-align: center;
}

h1 {
    font-size: 50px;
    word-break: break-all;
}

.main .row {
    margin: 10px -16px;
}

/* Add padding BETWEEN each column */
.main .row,
.main .row > .column {
    /*padding: 8px;*/
}

/* Create three equal columns that floats next to each other */
.column {
    /*float: left;*/
    /*width: 33.33%;*/
    display: none; /* Hide all elements by default */
}

/* Clear floats after rows */ 
.row:after {
    content: "";
    display: table;
    clear: both;
}

/* Content */
.content {
    background-color: white;
    padding: 10px;
}

/* The "show" class is added to the filtered elements */
.show1 {
  display: block;
  display: inline-block;
}

/* Style the buttons */
.main .btn {
  border: none;
  outline: none;
  padding: 12px 16px;
  background-color: white;
  cursor: pointer;
  border: 1px solid gray;
}

.main .btn:hover {
  background-color: #ddd;
}

.main .btn.active {
  background-color: #666;
  color: white;
}
.main img{
  /*width: 25%;*/
  /*height: 389px;*/
  /*max-width: 100%;*/
  /*border-radius: 20px;*/
}
#myBtnContainer{
  /*padding-top: 100px;*/
}