style.css

 div /* <=== This Is Selectors */
 {  
     background-color: bisque;
    height: 600px;
}
span 
 { /* <=== This Is Decleration */
     font-size: 50px; /* Key: Value, */
 }
h1{
    color: blue;
    font-size: 20px;
}

p{
    font-weight: bold;
}

#pera{
    color: brown;
}

.Img{
    width: 400px;
    height: 400px;
}

#one{
  background-color: chartreuse;
  position: fixed;
  /* position: sticky; */
  /* position: relative; */
  /* position: absolute; */
  /* top: 10px; */
}

#two{
    background-color: cyan;
}

#three{
    background-color: darkblue;
}

/* Navber */

body{
    height: 1200px;
    margin: 0px;
}

table{
      background-color: black;
      width: 150%;
      position: fixed;
    }
tr{
    color: white;
}
a{
    color: white;
}