.left {
  float: left;
}
.right {
  float: right;
}
.fixed {    /* The image with the class fixed will stay in a fixed position */
  position: fixed;  /* at the top left of the viewport, even when you scroll the page. */
  top: 30px; /*Adjust the position from the top  */
  left: 20px;  /*Adjust the position from the left  */
}
.static {   /* The image with the class static will behave normally and will */
  position: static;
  /*This is the default position and won’t float */
}   /* just be placed in the flow of the page without floating.  */