body {
    background-image: url('images/backdrop.jpg');
    background-repeat: no-repeat;
    background-color: rgb(23,44,83);
    background-position: center top;
    background-size: auto 100vh;
}

@media (min-aspect-ratio: 2708/1643) {
    body {
        background-size: 100vw 100vh;
    }
}

.tree {
    background-image: url('images/christmas-tree.png');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: 100% 95%;
    height: 100vh;
    margin: auto;
}

.tree {
    position: relative;
    width: 100%;
    max-width: 600px;
    min-width: 300px;
}

.empty {
    background-image: url('images/red-bauble.png');
    filter: saturate(30%)
}

.filled {
    background-image: url('images/red-bauble.png');
}

.bauble {
    padding: 1%;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: 100% 100%;
    width: 3%;
    height: 3%;
    display: inline-block;
    /*transform: translateX(-1.5vw);*/
}

.modal-container {
    margin: auto;
    position: absolute;
    top: 20%;
    left: 10%;
    min-height: 30%;
    max-height: 90%;
    width: 80%;
    background-color: rgb(23,44,83);
    border-color: midnightblue;
    border-width: 5px;
    border-style: outset;
}

html {
    font-family: sans-serif;
    color: aliceblue;
}

h1 {
    text-align: center;
    padding-bottom: 1em;
}

.modal-container > div {
    padding: 15px;
    max-height: 80%;
    text-align: justify;
}

#view-message {
    overflow-y: auto;
    max-height: 90%;
}

input {
    width: 100%;
    margin-bottom: 20px;
}

textarea {
    width: 100%;
    margin-bottom: 15px;
    resize: none;
}

button {
    margin: auto;
}

footer {
    margin: auto;
    text-align: center;
    width: 100%;
    position: fixed;
    bottom: 0;
}

footer span {
    margin: auto;
    background-color: rgb(23,44,83);
    border-color: midnightblue;
    border-width: 5px;
    border-style: solid;
}

a {
    color: aliceblue;
}
a:hover {
    color: aliceblue;
}

a:visited {
    color: aliceblue;
}