body{ background-color: aqua;}
/* universal selector */
*{
    color: brown;
    
}
/* type selector */
h1{
    font-size: 50px;
    color: blueviolet;
}
/* class selector */
.paragraph-2{
    background-color: blue;
    color: tomato;
}
/* id selector */
#css-class{
    color: seagreen;
    

}
/* child selector */
ol>li{
    background-color: blueviolet;
}
.olcolor-change{
    color: azure;
}
/* decendent selector */
ol a{
    color: rgb(226, 43, 134);
}
/* adjecent sibling selector */
h4+p{
    background-color: sienna;
}
/* general sibling selector */
h4~a{
    color:white ;
}