* {
    padding: 0px;
    margin: 0px;
}

body {
    background-color: #fff;
}

div.content {
}

a, a:visited {
    color: blue;
}

img {
    border-radius: 5px;
    border: 1px solid #000;
    width: 200px;
    height: 200px;
}

div.login {
    width: auto;
    margin-left: auto;
    margin-right: auto;
    margin-top: 100px;
    text-align: center;
}

input {
    color: #fff;
    width: 200px;
    border-radius: 5px;
    border: 2px solid #000;
    font-size: 18px;
    padding: 5px;
    text-align: center;
    background-color: #39533C;
}

button:hover {
    color: #000;
    background-color: #aaa;
}

button {
    width: 200px;
    margin-top: 15px;
    margin-left: -3px;
    border-radius: 5px;
    border: 1px solid #000;
    font-size: 18px;
    padding: 5px;
    color: #fff;
    cursor: pointer;
    text-align: center;
    background-color: #333;
}

div.separator {
    height: 5px;
    width: 100%;
    background-color: #ccc;
    margin-top: 75px;
    margin-bottom: 75px;
}

div.title {
    margin-left: 20px;
    margin-top: 25px;
    margin-bottom: 25px;
}

div.nav {
    margin-left: 20px;
    margin-top: 25px;
    margin-bottom: 25px;
}

ul {
    list-style: none;
}

ul > li {
    display: inline-block;
    margin-right: 25px;
    font-size: 18px;
}

div.photos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    grid-template-rows: auto;
    grid-row-gap: 50px;
    justify-items: center;
}

div.photos > div.entry {
    display: flex;
    align-items: center;
    justify-content: center;
}

@media only screen and (min-width: 320px) and (max-width: 450px) {

div.content {
    width: 100%;
    margin: 0px;
}

div.photos {
    display: grid;
    grid-template-columns: [r1] 100%;
    grid-template-rows: auto;
    grid-row-gap: 25px;
}

img {
    width: 250px;
    height: 250px;
}

}