JSFiddle - React, Tailwind, and code Playground

by j08691

HTML

<header>
  <div id="header-text">
    Poradnik Javascript
  </div>

</header>

<main>
  <div class="menu-row">
    <div class="button-box">
      <div class="button" id="variables"> Typy zmiennych </div>
      <div class="button"></div>
      <div class="button"></div>
    </div>
  </div>

  <div class="menu-row">
    <div class="button-box">
      <div class="button"></div>
      <div class="button"></div>
      <div class="button"></div>
    </div>
  </div>

  <div class="menu-row">
    <div class="button-box">
      <div class="button"></div>
      <div class="button"></div>
      <div class="button"></div>
    </div>
  </div>

</main>

CSS

* {
  padding: 0;
  margin: 0;
}

body {
  background-color: #7F7F7F;
  overflow: hidden;
}

header {
  background-color: #BEBFBF;
  height: 10vh;
  width: 100vw;
  position: relative;
  font-family: 'Bungee', cursive;
  color: white;
  font-size: 2vmax;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0px 2px 0px white;
  overflow: hidden;
  transition: 1s;
}

#header-text {
  display: flex;
  justify-content: center;
  align-items: center;
}

main {
  height: 90vh;
  width: 100vw;
  margin-top: 5vh;
}

.menu-row {
  width: 100%;
  height: 30vh;
}

.button-box {
  width: 100%;
  height: 100%;
  position: relative;
}

.button {
  width: 30%;
  height: 70%;
  background-color: #BEBFBF;
  position: relative;
  float: left;
  margin-left: 2.5%;
  border: 2px solid white;
  box-sizing: border-box;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: 'Bungee', cursive;
  color: white;
  font-size: 1.5vmax;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  cursor: pointer;
  transition: 1s;
}

#variables {
  background-color:
}

JavaScript

function colorIn(primary) {
  $("header").css("background-color", primary);
  $(".button").css("background-color", primary);
}

function colorOut(secondary) {
  $("header").css("background-color", secondary);
  $(".button").css("background-color", secondary);
}

$("#variables").hover(function() {
  colorIn("#ffffff")
}, function() {
  colorOut("#111111")
})