:root {
    --main-background-color: #5900b0;
    --main-text-color: azure;
}

* {
    margin: 0;
    padding: 0;
    background: black;
    color: var(--main-text-color);
}

body {
    background-image: url("./images/BGimg.png");
    background-position: top;
    background-repeat: repeat-y;
    display: flex;
    flex-direction: column;
}

header, footer {
    width: 100%;
    min-width: 300px;
    background-color: var(--main-background-color);
    color: var(--main-text-color);
    padding: 10px 0px;
}

main {
    width: 80%;
    min-width: 300px;
    margin: auto;
    background-color: rgba(0, 0, 0, 0);
}

h1, h2 {
    text-align: center;
}

h1 {
    font-size: 48px;
}

h2 {
    font-size: 36px;
    margin-bottom: 10px;
}

img {
    display: block;
    height: 50px;
    width: 50px;
    margin: auto;
}

ul {
    padding-left: 40px;
    font-size: 20px;
}

p {
    text-align: center;
    font-size: 30px;
}

code {
    font-size: 80%;
    color:#a0a0a0;
    background-color: rgb(31, 31, 30);
    border: 1px solid rgb(83, 83, 81);
    border-radius: 3px;
    padding: 0px 5px;
}

.card {
    width: 80%;
    margin: 40px auto;
    padding: 10px;
    border: 5px solid rgb(44, 192, 15);
    border-radius: 10px;
    box-shadow: 15px 15px 15px #114703;
    background: black;
}

#resources a {
    padding: 5px 10px;
}

#resources p {
    font-size: 18px;
    margin-bottom: 10px;
}

#box-model-preview[preview] {
    position: relative;
}

#box-model-preview:hover::after {
    content: url(https://magepow.com/blog/wp-content/uploads/2021/11/box-model-html-1024x715.png);
    cursor: help;
    position: absolute;
    transform: scale(30%) translate(-117%, -215%);
}

#afterExample {
    text-decoration: wavy underline;
}

#afterExample:hover::after {
    visibility: visible;
}

#afterExample::after {
    visibility: hidden;
    content: " This element was applied to the page through CSS.";
    color: aquamarine;
}