*{
  margin:0;
  padding:0;
  box-sizing: border-box;
}body{
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background-image: linear-gradient(to right, #d16ba5, #c777b9, #ba83ca, #aa8fd8, #9a9ae1, #8aa7ec, #79b3f4, #69bff8, #52cffe, #41dfff, #46eefa, #5ffbf1);
}
body::before{
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(#845EC2, #ffc107);
  filter: blur(10px);

  clip-path: circle(22% at 30% 20%);
}
body::after{
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(#ffffff, #ffc107);
  clip-path: circle(20% at 70% 90%);
}
.container{
  position: relative;
  background: rgba(255, 255, 255, .05);
  border-radius: 6px;
  overflow: hidden;
  z-index: 10;
  backdrop-filter: blur(15px);
  border-top: 1px solid rgba(255, 255, 255, .2);
  border-left: 1px solid rgba(255, 255, 255, .2);
  box-shadow: 5px 5px 30px rgba(0,0,0,.2);
}
.container .calculator{
  position: relative;
  display: grid;
}
.container .calculator .value{
  grid-column: span 4;
  height: 140px;
  width: 300px;
  text-align: right;
  border: none;
  outline: none;
  padding: 10px;
  font-size: 30px;
  background: transparent;
  color: #fff;
  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: #000;
  font-weight: 400;
  cursor: pointer;
  font-size: 20px;
  user-select: none;
  transition: .5s;
}
.container .calculator span:hover{
  transition: 0s;
  background: rgba(255, 255, 255, .3);
}
.container .calculator span:active{
  background-image: linear-gradient(to right, #845ec2, #965dc0, #a75dbe, #b75cbb, #c55cb7, #d05cb3, #da5dae, #e35fa9, #ec62a3, #f3659d, #fa6a97, #ff6f91);  color: #192f00;
  font-weight: 500;
}
.container .calculator .clear{
  grid-column: span 2;
  width: 150px;
  background: rgba(255, 255, 255, .05);
}
.container .calculator .plus{
  grid-row: span 2;
  height: 150px;
}
.equal{
  background: rgba(255, 255, 255, .05);
}