style.css

body{
  background-color: lemonchiffon;
}

#btn{
  text-align: center;
  margin: auto;
  margin-top: 100px;
  font-size: 150px;
  font-family: "Londrina Solid", cursive;
  background-color: lightcyan;
  display: block;
}

#btn:active{
  margin-top: 105px;
}

#btn{
  cursor: pointer;
}

#cst{
  font-size: 75px;
}

#score{
  margin-top: 50px;
}

#time{
  margin-top: 30px;
}

.hthree{
  font-size: 50px;
}

.text{
  margin: auto;
  text-align: center;
  font-family: "Hachi Maru Pop", cursive;
}

/* Makes text unselectable, credits to StackOverflow */
.noselect {
    -webkit-user-select: none; /* Safari */
     -khtml-user-select: none; /* Konqueror HTML */
       -moz-user-select: none; /* Old versions of Firefox */
        -ms-user-select: none; /* Internet Explorer/Edge */
            user-select: none; /* Non-prefixed version, currently
                                  supported by Chrome, Edge, Opera and Firefox */
}