css.txt

#clear {background-color: ##919cbf;border-radius:5%;}
#clear:hover {color:white;background-color: #ff0000;transition: 0.5s;}
#summery {background-color: ##919cbf;border-radius:5%;}
#summery:hover {background-color:#2980b9;transition: 0.5s;color:#fff}

#switchbtn {
    margin: 0.6em 0em 0.55em 0;
    max-width: 2.5em;
    min-width: 2.5em !important;
    height: 2.4em;
}
#switchbtn:hover{
  background-color:#2980b9;transition: 0.5s;color:#fff;
}