example.css

.mojaklasa {
    background-color: green;
}

#imieid {

}

img {

}

body > p {
    background-color: red;
}

body span {
    background-color: yellow;
}

body > span, div > span {
    background-color: yellow;
}

p + img {

}

p ~ img {

}

[title] {

}