style.css

#bill{
  width:200px;
  text-align:center;
  margin:10px 10px;
  border:2px solid black;
  align-items:center;
  justify-content:center;
  height:50px;
}
#tip{
 width:200px;
  height:50px;
  text-align:center;
  margin:50px 10px;
  border:2px solid black;}
#plus{
border-radius:50px;
  border:2px solid black;
  width:50px;
  height:40px;
  text-align:center;
 }
.decoration{
  display:flex;
}
p{
margin:10px 10px;
font-size:25px;
}
#minus{
border-radius:50px;
  border:2px solid black;
  width:50px;
  height:40px;
  text-align:center;}
.special{
display:flex;
margin:10px 60px;
/* float:left; */
}
.container{
background-color:lightblue;
justify-content:center;
  align-items:center;
  margin:auto;
  max-width:500px;
  padding:10px;
  display:inline-block;
}
body{
background-color:pink;
  display:flex;
}
#but{
width:100px;
height:20px;
display:flex;
  margin:10px 10px;
/*   text-align:center; */
/*   align-items:center; */
  justify-content:center;
}
#bb{
/* align-items:center; */
/*  text-align:center; */
/*   margin:10px 10px */
 justify-content:center;
  display:flex;
}