/* 1-ое задание---------------------------------- */
.sqr {
    background: red;
    width: 100px;
    height: 100px;
}
#new {
    background: green;
}
div.sqr {
    background: pink;
}


/* 2-ое задание---------------------------------- */
div {
    color: black;
}
.purple{
    color: blueviolet;
}
#teal{
    color: teal;
}
[crat="value1"]{
    color: #d52222;
}
.purple4, .purple5, .purple6{
    font-size: 12px;
}

span.green-block{
    color: chartreuse;
}
.main>.sub{
    font-family: "Balsamiq Sans", serif;
}
div .fad{
    color: blue;
}
/* 3-ье задание ----------------------------------*/
.some-text {
    font-family: "sads", "Balsamiq Sans", sans-serif;
    line-height: -100px;

}