html {
    font-family: Calibri, sans-serif;
}

body {
    background-color: #EEEEEE;
    margin: 40px auto;
    max-width: 650px;
    line-height: 1.6;
    font-size: 18px;
    color: #444;
    padding: 0 10px
}

h1,
h2,
h3 {
  line-height: 1.2
}

a {
    text-decoration: none;
    color: #444;
}

nav {
    display: flex;
    justify-content: center;
}

ul.menuItems {
    display: flex;
    list-style-type: none;
    padding-inline-start: 0;
}

.menuItems a {
    text-decoration: none;
    padding: 1em;
    color: #444
}

.hr-lines{
  position: relative;
  text-align: center; 
}

.hr-lines:before{
    content:" ";
    display: block;
    height: 2px;
    width: 15%;
    position: absolute;
    top: 50%;
    left: 0;
    background: #444;
}

.hr-lines:after{
    content:" ";
    height: 2px;
    width: 15%;
    background: #444;
    display: block;
    position: absolute;
    top: 50%;
    right: 0;
}

@media screen and (max-width: 575px) {
    .hr-lines::before{
        display: none;
    }

    .hr-lines::after{
        display: none;
    }
}

#gallery {
    line-height:0;
    -webkit-column-count:2; /* split it into 5 columns */
    -webkit-column-gap:5px; /* give it a 5px gap between columns */
    -moz-column-count:2;
    -moz-column-gap:5px;
    column-count:2;
    column-gap:5px;
}

#gallery img {
   width: 100% !important;
   height: auto !important;
   margin-bottom:5px; /* to match column gap */
}

/* @media (max-width: 1200px) {
    #gallery {
     -moz-column-count:    4;
     -webkit-column-count: 4;
     column-count:         4;
    }
}

@media (max-width: 1000px) {
    #gallery {
     -moz-column-count:    3;
     -webkit-column-count: 3;
     column-count:         3;
    }
}

@media (max-width: 800px) {
    #gallery {
     -moz-column-count:    2;
     -webkit-column-count: 2;
     column-count:         2;
    }
}*/

@media (max-width: 400px) {
    #gallery {
     -moz-column-count:    1;
     -webkit-column-count: 1;
     column-count:         1;
    }
}

#controls {
    display: flex !important;
    flex-direction: row !important;
    justify-content: space-between !important;
    margin-block-start: 1em;
}

.button {
    display: flex;
    height: 50px;
    padding: 0;
    background: #EEEEEE;
    border: 2px solid #444;
    outline: none;
    border-radius: 5px;
    overflow: hidden;
    font-family: "Quicksand", sans-serif;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
  }
  
  .button:hover {
    background: #008168;
  }
  
  .button:active {
    background: #006e58;
  }
  
  .button__text,
  .button__icon {
    background: #EEEEEE;
    display: inline-flex;
    align-items: center;
    padding: 0 10px;
    color: #444;
    height: 100%;
  }
  
  .button__icon {
    font-size: 1.5em;
    background: #EEEEEE;
  }
  
  .button_back {
    border-right: 2px solid #444;
  }

  .button_forward {
    border-left: 2px solid #444;
  }