/* author: https://codepen.io/Bazhov/pen/poOpmqX
Abdulloh */
@import url('https://fonts.googleapis.com/css2?family=Quicksand:wght@300&display=swap');
*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:'Quicksand', sans-serif;
 } 
body{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:100vh;
  background:#091921;
 } 
body::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:100%;
  background:linear-gradient(#e91e63, #ffc107);
  clip-path:circle(22% at 30% 20%);
 } 
body::after{
  content:'';
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:100%;
  background:linear-gradient(#fff, #da00ff);
  clip-path:circle(20% at 70% 90%);
 }
.container{
  position:relative;
  background:rgba(255,255,255,0.05);
  border-radius:6px;
  overflow:hidden;
  z-index:10;
 } 
.container .calculator{
  position:relative;
  display:grid;
 } 
.container .calculator .value{
  grid-column:span 4;
  width:300px;
  height:140px;
  text-align:right;
  outline:none;
  border:none;
  padding:10px;
  font-size:30px;
  color:#fff;
  background:transparent;
  border-bottom:1px solid rgba(255,255,255,0.05);
  border-right:1px solid rgba(255,255,255,0.05);
  }
.container .calculator span{
  display:grid;
  place-items:center;
  width:75px;
  height:75px;
  color:#fff;
  font-weight:400;
  cursor:pointer;
  font-size:20px;
  user-select:none;
  transition:0.5s;
  border-bottom:1px solid rgba(255,255,255,0.05);
  border-right:1px solid rgba(255,255,255,0.05);
} 
.container .calculator span:hover{
  transition:0s;
  background:rgba(255,255,255,0.05);
 } 
.container .calculator span:active{
  background:#14ff47;
  color:#192f00;
  font-size:24px;
  font-weight:500;
 } 
.container .calculator .clear{
  grid-column:span 2;
  width:150px;
  background:rgba(255,255,255,0.05);
  }
.container .calculator .plus{
  grid-row:span 2;
  height:150px;
  }
.equal{
  background:rgba(255,255,255,0.05);
  }