codemeta.css

/**
 * Based on:
 * Bootstrap v3.3.7 (http://getbootstrap.com)
 * Copyright 2011-2016 Twitter, Inc.
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

/**
 * Copyright (C) 2020  The Software Heritage developers
 * See the AUTHORS file at the top-level directory of this distribution
 * License: GNU Affero General Public License version 3, or any later version
 * See top-level LICENSE file for more information
 */

/* This file contains extra CSS, that isn't needed for the application to be
 * usable, but it makes it more welcoming, and reuses a style similar to
 * Codemeta's main website.
 */

body {
    margin: 0;
}

header {
    background-image:
        /* a purple filter on top of the photo */
        linear-gradient(135deg, rgba(1, 47, 142, 0.88) 0%, rgba(25, 46, 185, 0.45) 100%),
        /* photo of pyramids (though with the smaller margins on this page,
         * only the sky is seen on most laptops and desktops */
        url('https://codemeta.github.io/img/pyramids.jpg');
    background-size: cover;

    /* half of the header height on https://codemeta.github.io/ */
    min-height: 190px; 

    /* Let main overflow on the header */
    z-index: 1;
}

header h1 {
    color: white;
    font-family: "Roboto", "Helvetica", "Arial", sans-serif;
    font-weight: 300;
    font-size: 3.3125rem;
    text-align: center;
}

main {
    z-index: 2;

    /* Same properties as .main on https://codemeta.github.io/ */
    border-radius: 6px;
    box-shadow: 0 16px 24px 2px rgba(0, 0, 0, 0.14), 0 6px 30px 5px rgba(0, 0, 0, 0.12), 0 8px 10px -5px rgba(0, 0, 0, 0.2);
    background: white;
}

@media screen and (min-width: 600px) {
    header {
        /* Height+padding = half of the header height on https://codemeta.github.io/ */
        min-height: 170px; 
        padding-top: 20px;
    }

    main {
        padding: 10px;

        /* Half of margins of .main on https://codemeta.github.io/ */
        margin: -30px 15px 0px;
    }
}

@media screen and (max-width: 599px) {
    header {
        padding-top: 10px;
    }

    header h1 {
        margin-top: 0;
    }

    main {
        padding: 5px;

        margin: -30px 7px 0px;
    }
}