pp.css

ol { counter-reset: item }
li{ display: block }
li:before { content: counters(item, ".") " "; counter-increment: item }
.nav{
    /* border: 2px solid red ; */
    background-color: rgb(233, 233, 233);
    display: flex;
    justify-content: space-between;
    background-color: rgb(245 245 245);
    position: fixed; 
    left: 0;
    top: 0;
    width: 100%;
    padding: 5px;
    
}
.content{
    margin: 106px 35px 0px 0px;
    font-size: 18px;
    
}
#about{
    margin: 28px 28px 0px 0px;
    font-size: 30px;
    color: rgb(107, 214, 0);
    cursor: pointer;
}
#about:hover{
    color: rgb(82, 153, 11);
    text-decoration: underline;
}
#head{
    margin: 0px 0px 0px 18px;
    border-left: 6px solid rgb(14, 153, 14);
}
.nav img{
    height :85px;
    margin: 0px 0px 0px 14px;
   
}
#ar i{
    position: fixed;
    display: none;
    border-radius: 50%;
    padding: 2px;
    /* position: absolute; */
    right: 24px;
    top: 90%;
    font-size: 23px;
    background-color: rgb(233, 233, 233);
    cursor: pointer;
}