Calculator.css

/* Name = Maurya Shubham Roll No = 33 Calculator.css  */

*
{
    box-sizing: border-box;
    margin: 0 0;
}

body {
  margin: 0px;
  padding: 0px;
  background-color:lightblue;
  font-family: Arial, Helvetica, sans-serif;
  overflow: hidden;
}

.main-container {
  width: 100%;
  height: 515px;
  background-color: rgba(255, 255, 255, 0.356);
  display: flex;
  justify-items: center;
  margin: 4.5rem auto;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
  border-radius: 20px;
}

.output-window {
  height: 25%;
  width: 100%;
  background-color: rgba(128, 128, 128, 0.1);
  margin-top: 1em;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
  border-radius: 20px;

}


.previous {
  width: 100%;
  height: 50%;
  background-color: black;
  color: white;
  border-radius: 20px;
  margin-bottom: 5px;
}

.output {
  margin-top: 1px;
  width: 100%;
  height: 50%;
  background-color: rgba(0, 0, 0, 0.61);
  color: black;
  border-radius: 20px;
}

.body {
  width: 95%;
  height: 261%;
  margin-top: 1em;
  background-color: rgba(128, 128, 128, 0.7);
  border-radius:10px;
  margin-left: 0.6em;
  border-radius: 20px;

}

p {
  float: right;
  margin: 10px;
  font-size: 25px;
  font-weight: 800;
}

.sign,
.digit,
.empty {
  width: 60px;
  height: 50px;
  margin-left: 20px;
  margin-top: 10px;
  float: left;
  position: relative;
  display: flex;
  justify-content: space-evenly;
}

table {
  display: flex;
  justify-content: space-evenly;
}

.clear,
.backspace,
.digit,
.sign,
.empty {
  width: 54px;
  height: 54px;
  margin: 8px 7px 2px 7px;
  border-radius: 45%;
  border: none;
  font-size: 1.4rem;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
  cursor: pointer;
}

.sign:focus,
.digit:focus,
.empty:focus,
.backspace:focus,
.clear:focus {
  outline: 0;
}