:root {
    --body-bg-color: #2E2E2E;
    --accent-bg-color: #d1d1d1;
    --button-accent-color: #3d3d3d;
    --selected-bg-color: #2E2E2E;
    --hover-bg-color: #555555;
    --main-font-weight: 500;
    --cards-length: 600px;
}

body {
    background: var(--body-bg-color);
    font-family: Tahoma, Verdana, Arial, sans-serif;
    font-weight: var(--main-font-weight);
}

br {
    display: block; /* makes it have a width */
    content: ""; /* clears default height */
    margin-top: 2px; /* change this to whatever height you want it */
}

.card {
    margin: 25px auto;
    padding: 20px;
    width: var(--cards-length);
    background: var(--accent-bg-color);
    border-radius: 3px;


    -webkit-box-shadow: 2px -2px 38px 1px rgba(0,0,0,0.59);
    -moz-box-shadow: 2px -2px 38px 1px rgba(0,0,0,0.59);
    box-shadow: 2px -2px 38px 1px rgba(0,0,0,0.59);
}

/*
.card.navigation {
    
}
*/

.navigation-buttons {
    text-align: right;
}
.navigation-buttons a {
    margin-left: 10px;
}
.navigation-buttons a:first-child {
    margin-left: 0px;
}
.navigation-branding {
    float: left;
}
.navigation-branding-h {
    font-size: xx-large;
    padding: 5px;
    margin-top: 7px;
    margin-bottom: 7px;
    white-space: nowrap;
}

.noselect {
    user-select: none;
}

.button-default {
    text-decoration: none;
    border: none;
    background-color: var(--accent-bg-color);
    border-radius: 5px;
    padding: 5px;
    font-size: 18px;
    white-space: nowrap;
    margin-top: 2px;
    margin-bottom: 2px;
    color: var(--button-accent-color);
    cursor: pointer;
    outline: none;
}

.button-default:hover:not(.button-selected) {
    color: var(--accent-bg-color);
    background-color: var(--hover-bg-color);
}

.button-selected {
    color: var(--accent-bg-color);

    background-color: var(--selected-bg-color);
}

.input {
    border: none;
    outline: none;
    border-radius: 2px;
    padding: 3px;
    margin: 8px;
}

#upload-file {
    opacity: 0;
    position: absolute;
    z-index: -1;
 }

#content-container {
    text-align: center;
}

@media screen and (max-width: 768px) {
    .card {
        width: 80%;
    }
}