@import url("https://fonts.googleapis.com/css2?family=Mooli&display=swap");

:root {
--primary-color: #52489c;
--secondary-color: #59c3c3;
--accent-color: #f45b69;
--text-dark: #333;
--text-light: #ebebeb;
--primary-font: Arial, Helvetica,sans-serif;
--secondary-font: Mooli, san-serif;
}

h1{
    margin: auto;
    text-align: center;
    background-color: var(--primary-color);
    color: var(--text-light);
    font-family: var(--secondary-font);
    padding: 20px;
}

button {
    color: var(--text-light);
    background-color: var(--primary-color);
    border:none;
    margin: auto;
    text-align: center;
    text-decoration: none;
    padding: 15px;
    width: 100%;
    display: block;
    cursor: pointer;
    font-size: 40px;
    font-family: var(--primary-font);
}

h3 {
    margin: auto;
    text-align: center;
    font-family: var(--secondary-font);
    color: var(--text-dark);
    padding: 20px;
    font-weight: bold;
}

.gallery {
    display: grid;
}   

main {
    background-color:#dcdada;
}

img {
    border-style: outset;
    border-width: thick;
    border-color: var(--text-light);
    height: 250px;
    width: 250px;
    object-fit: cover;
    max-width: 100%;
}

body {
  font-family: var(--primary-font);
  font-size: 1.2em;
}

a {
    color: var(--text-light);
    padding: 14px 16px;
    text-decoration: none;
}

nav {
    background-color: var(--primary-color);
    text-align: center;
}

a:visited {
  color: var(--accent-color);
}

footer {
    background-color: var(--primary-color);
    color: var(--text-light);
}

.hide {
    display: none;
}

.viewer {
    position: fixed;
    top:0;
    left:0;
    bottom:0;
    right:0;
    background-color: rgba(0, 0, 0, 0.75);
    grid: center;
    color: white;  
    max-height: 100%;
    z-index: 10;
}

@media screen and (min-width: 300px) {
    .gallery {
        grid-template-columns: 1fr;
    }
} 

@media screen and (min-width: 600px) {
    .gallery {
        grid-template-columns: 1fr 1fr;
    }
}

@media screen and (min-width: 900px) {
    .gallery {
        grid-template-columns: 1fr 1fr 1fr;
    }
    button {
        display: none;
    }
        nav {
        display: none;
    }

}