Сделал основную страницу

.gitignore

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+package-lock.json
+node_modules

fonts/Montserrat/OFL.txt

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+Copyright 2011 The Montserrat Project Authors (https://github.com/JulietaUla/Montserrat)
+
+This Font Software is licensed under the SIL Open Font License, Version 1.1.
+This license is copied below, and is also available with a FAQ at:
+http://scripts.sil.org/OFL
+
+
+-----------------------------------------------------------
+SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
+-----------------------------------------------------------
+
+PREAMBLE
+The goals of the Open Font License (OFL) are to stimulate worldwide
+development of collaborative font projects, to support the font creation
+efforts of academic and linguistic communities, and to provide a free and
+open framework in which fonts may be shared and improved in partnership
+with others.
+
+The OFL allows the licensed fonts to be used, studied, modified and
+redistributed freely as long as they are not sold by themselves. The
+fonts, including any derivative works, can be bundled, embedded, 
+redistributed and/or sold with any software provided that any reserved
+names are not used by derivative works. The fonts and derivatives,
+however, cannot be released under any other type of license. The
+requirement for fonts to remain under this license does not apply
+to any document created using the fonts or their derivatives.
+
+DEFINITIONS
+"Font Software" refers to the set of files released by the Copyright
+Holder(s) under this license and clearly marked as such. This may
+include source files, build scripts and documentation.
+
+"Reserved Font Name" refers to any names specified as such after the
+copyright statement(s).
+
+"Original Version" refers to the collection of Font Software components as
+distributed by the Copyright Holder(s).
+
+"Modified Version" refers to any derivative made by adding to, deleting,
+or substituting -- in part or in whole -- any of the components of the
+Original Version, by changing formats or by porting the Font Software to a
+new environment.
+
+"Author" refers to any designer, engineer, programmer, technical
+writer or other person who contributed to the Font Software.
+
+PERMISSION & CONDITIONS
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of the Font Software, to use, study, copy, merge, embed, modify,
+redistribute, and sell modified and unmodified copies of the Font
+Software, subject to the following conditions:
+
+1) Neither the Font Software nor any of its individual components,
+in Original or Modified Versions, may be sold by itself.
+
+2) Original or Modified Versions of the Font Software may be bundled,
+redistributed and/or sold with any software, provided that each copy
+contains the above copyright notice and this license. These can be
+included either as stand-alone text files, human-readable headers or
+in the appropriate machine-readable metadata fields within text or
+binary files as long as those fields can be easily viewed by the user.
+
+3) No Modified Version of the Font Software may use the Reserved Font
+Name(s) unless explicit written permission is granted by the corresponding
+Copyright Holder. This restriction only applies to the primary font name as
+presented to the users.
+
+4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
+Software shall not be used to promote, endorse or advertise any
+Modified Version, except to acknowledge the contribution(s) of the
+Copyright Holder(s) and the Author(s) or with their explicit written
+permission.
+
+5) The Font Software, modified or unmodified, in part or in whole,
+must be distributed entirely under this license, and must not be
+distributed under any other license. The requirement for fonts to
+remain under this license does not apply to any document created
+using the Font Software.
+
+TERMINATION
+This license becomes null and void if any of the above conditions are
+not met.
+
+DISCLAIMER
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
+COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
+DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
+OTHER DEALINGS IN THE FONT SOFTWARE.

index.html

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+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <link rel="stylesheet" href="css/style.css">
+    <title>Математическое моделирование</title>
+</head>
+
+<body>
+    <div class="wrapper">
+        <header class="header">
+            <a href="index.html">
+                <h1 class="">Математичекое моделирование</h1>
+            </a>
+        </header>
+        <main class="container">
+            <nav>
+                <span>Вид работы: 
+                    <button id="lessonsBtn" class="group-btn active">Урок</button><button id="worksBtn" class="group-btn" data-tooltip="Самостоятельная работа">СР</button>
+                </span>
+            </nav>
+            <div id="lessonsList" class="items row row-cols-1 row-cols-sm-1 row-cols-md-2 row-cols-lg-3">
+                <div class="wrapper">
+                    <div class="item">
+                        <h2 class="header">Коробка</h2>
+                        <p class="description">Найдите, при каком размере выреза коробка будет иметь максимальный объём.</p>
+                        <a href="box.html">Приступить</a>
+                    </div>
+                </div>
+                <div class="wrapper">
+                    <div class="item">
+                        <h2 class="header">Обои</h2>
+                        <p class="description">Помогите покупателям быстро определить необходимое количество обоев.</p>
+                        <a href="wallpaper.html">Приступить</a>
+                    </div>
+                </div>
+                <div class="wrapper">
+                    <div class="item">
+                        <h2 class="header">Сбер касса</h2>
+                        <p class="description">Проведите исследование очереди из бабушек у сбер кассы.</p>
+                        <a href="sber.html">Приступить</a>
+                    </div>
+                </div>
+                <div class="wrapper">
+                    <div class="item">
+                        <h2 class="header">Стихотворение</h2>
+                        <p class="description">Предлагается исследовать ситуацию и предложить реальные способы ускорения процесса заучивания стихотворения.</p>
+                        <a href="poem.html">Приступить</a>
+                    </div>
+                </div>
+                <div class="wrapper">
+                    <div class="item">
+                        <h2 class="header">Дачник и собака</h2>
+                        <p class="description">Исследовать процесс движения объектов: человека и собаки. Установить связь между расстояниями, пройденными объектами за одно и то же время. Определить путь, который пробежала собака.</p>
+                        <a href="box.html">Приступить</a>
+                    </div>
+                </div>
+            </div>
+            <div id="worksList" class="hidden items row row-cols-1 row-cols-sm-1 row-cols-md-2 row-cols-lg-3">
+                <div class="wrapper">
+                    <div class="item">
+                        <h2 class="header">Продукты для похода</h2>
+                        <p class="description">Рассчитать необходимое количество продуктов на весь поход для 1 человека и для всей группы.</p>
+                        <a href="box.html">Приступить</a>
+                    </div>
+                </div>
+                <div class="wrapper">
+                    <div class="item">
+                        <h2 class="header">Награда</h2>
+                        <p class="description">Сколько должен индрусский царь Шерам изобретателю шахмат из древней легенды?</p>
+                        <a href="">Приступить</a>
+                    </div>
+                </div>
+                <div class="wrapper">
+                    <div class="item">
+                        <h2 class="header">Концентрация раствора</h2>
+                        <p class="description">Составьте таблицу, по которой можно определить, как изменяется исходная концентрация при добавлении 1, 2, 3 и т. д. частей воды.</p>
+                        <a href="">Приступить</a>
+                    </div>
+                </div>
+                <div class="wrapper">
+                    <div class="item">
+                        <h2 class="header">Буратино и папа Карло</h2>
+                        <p class="description">Постройте модель изменения капитала в течение нескольких недель.</p>
+                        <a href="">Приступить</a>
+                    </div>
+                </div>
+                <div class="wrapper">
+                    <div class="item">
+                        <h2 class="header">График тренировки</h2>
+                        <p class="description">Исследуйте график тренеровок, состовляемый по правилам.</p>
+                        <a href="">Приступить</a>
+                    </div>
+                </div>
+                <div class="wrapper">
+                    <div class="item">
+                        <h2 class="header">Аквариум</h2>
+                        <p class="description">Сколько минут времени он затратит на переселение рыбок?</p>
+                        <a href="">Приступить</a>
+                    </div>
+                </div>
+            </div>
+        </main>
+    </div>
+
+    <script src="js/index.js"></script>
+</body>
+
+</html>

js/index.js

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+"use strict";
+
+let colors = {
+    green: "#54A48B",
+    yellow: "#c0a761"
+};
+
+let lessonsBtn = document.querySelector("#lessonsBtn");
+let worksBtn = document.querySelector("#worksBtn");
+
+let lessonsList = document.querySelector("#lessonsList");
+let worksList = document.querySelector("#worksList");
+let header = document.querySelector("header");
+
+lessonsBtn.addEventListener("click", (e) => {
+    lessonsBtn.classList.add("active");
+    worksBtn.classList.remove("active");
+
+    lessonsList.classList.remove("hidden");
+    worksList.classList.add("hidden");
+    header.style = "background-color: " + colors.green;
+})
+
+worksBtn.addEventListener("click", (e) => {
+    lessonsBtn.classList.remove("active");
+    worksBtn.classList.add("active");
+
+    lessonsList.classList.add("hidden");
+    worksList.classList.remove("hidden");
+    header.style = "background-color: " + colors.yellow;
+})

package.json

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+{
+  "dependencies": {
+    "bootstrap": "^5.1.3"
+  }
+}

scss/_colors.scss

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+$green: #54A48B;
+$white: #ffffff;
+$grey: #ebebeb;
+$black: #171717;
+$yellow: #c0a761;

scss/_fonts.scss

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+@font-face {
+    font-family: "Montserrat";
+    src: url(../fonts/Montserrat/Montserrat-Regular.ttf);
+    font-weight: normal;
+    font-style: normal;
+    font-display: swap;
+}
+@font-face {
+    font-family: "Montserrat";
+    src: url(../fonts/Montserrat/Montserrat-Bold.ttf);
+    font-weight: bold;
+    font-style: normal;
+    font-display: swap;
+}
+@font-face {
+    font-family: "Roboto";
+    src: url(../fonts/Roboto/Roboto-Regular.ttf);
+    font-weight: normal;
+    font-style: normal;
+    font-display: swap;
+}
+@font-face {
+    font-family: "Roboto";
+    src: url(../fonts/Roboto/Roboto-Bold.ttf);
+    font-weight: bold;
+    font-style: normal;
+    font-display: swap;
+}

scss/_promt.scss

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+[data-tooltip] {
+    position: relative;
+}
+[data-tooltip]::after {
+    border: 1px solid $black;
+    content: attr(data-tooltip); 
+    position: absolute;
+    left: -4.5em; top: 2em;
+    background: $grey;
+    color: $black;
+    padding: 0.2em 1em;
+    pointer-events: none;
+    opacity: 0;
+    transition: 0.1s; 
+    border-radius: $border-radius;
+} 
+[data-tooltip]:hover::after {
+    opacity: 1;
+}

scss/_settings.scss

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+$border-radius: 10px;
+
+@mixin btn {
+    border: none;
+    border-radius: $border-radius;
+    background-color: $green;
+    color: $white;
+    padding: 5px 10px;
+    cursor: pointer;
+}
+
+.hidden {
+    display: none;
+}

scss/style.scss

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+@import "../node_modules/bootstrap/scss/bootstrap-grid.scss";
+
+@import "settings";
+@import "fonts";
+@import "colors";
+@import "promt";
+
+
+* {
+    margin: 0;
+    padding: 0;
+    box-sizing: border-box;
+
+    font-family: "Roboto", sans-serif;
+    font-weight: normal;
+    font-size: 20px;
+    color: $black;
+}
+
+html {
+    background-color: $grey;
+}
+
+header {
+    padding: 5px 0;
+
+    background-color: $green;
+    transition: background-color .1s linear;
+    text-align: center;
+
+    a {
+        text-decoration: none;
+    }
+
+    h1 {
+        font: {
+            size: 20px;
+            family: "Montserrat", sans-serif;
+            weight: bold;
+        }
+
+        @include media-breakpoint-up(md) {
+            font-size: 40px;
+        }
+
+        color: $white;
+    }
+}
+
+main {
+    margin-top: 20px;
+}
+
+button {
+    @include btn;
+
+    &.group-btn {
+        border: 2px solid $black;
+        border-right: none;
+        border-radius: 0;
+
+        background-color: $white;
+        color: $black;
+        transition: all .1s ease-in-out;
+
+        &:first-child {
+            border-radius: $border-radius 0 0 $border-radius;
+        }
+
+        &:last-child {
+            border-radius: 0 $border-radius $border-radius 0;
+            border-right: 2px solid $black;
+        }
+
+        &:hover {
+            color: $white;
+            background-color: $black;
+        }
+
+        &.active {
+            color: $white;
+            background-color: $black;
+        }
+    }
+}
+
+.items {
+    margin-top: 15px;
+
+    .wrapper {
+        padding: 0 40px;
+        margin-bottom: 40px;
+    }
+}
+
+.item {
+    background-color: $white;
+    border-radius: $border-radius;
+    box-shadow: 5px 5px 5px rgba($color: #000000, $alpha: 0.1);
+    text-align: center;
+    padding-bottom: 15px;
+
+    .header {
+        border-radius: $border-radius $border-radius 0 0;
+        background-color: $green;
+        color: $white;
+        font-weight: bold;
+        font-size: 26px;
+        padding: 5px 0;
+    }
+
+    .description {
+        margin: 10px;
+        line-height: 1.3;
+    }
+
+    a {
+        display: inline-block;
+        @include btn;
+        text-decoration: none;
+    }
+}
+
+#worksList {
+    .item {
+        .header {
+            background-color: $yellow;
+        }
+        a {
+            background-color: $yellow;
+        }
+    }
+}