/* #content {
    height: 100px;
    width: 200px;
    background-color: aqua;
    border-radius: 20px;
    border-color: rgb(0, 0, 0);
    border-style: solid;
}

.container {
    color: #fbfbff;
    background-color: rgb(246, 5, 5);
    border-radius: 12px;
    border-color: rgb(246, 5, 5);
    margin-top: 20px;
    margin-left: 15px;
    
} */
 /* .box {
    height: 150px;
    width: 150px;
}

.bttn1 {
    background-color: green;
}

.bttn2 {
    background-color: rgb(0, 184, 246);
}

.bttn3 {
    background-color: yellow;
}

.bttn4 {
    background-color: orange;
} */
/* 
 /* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
} */

 @media (max-width: 400px) {
  .calculator {
    width: 90%;
  }
}

body {
  background: linear-gradient(135deg, #74ebd5 0%, #9face6 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  font-family: Arial, sans-serif;
}

.calculator {
  background: #fff;
  padding: 20px;
  border-radius: 20px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  width: 320px;
}

.display {
  width: 100%;
  height: 60px;
  border: none;
  outline: none;
  background: #f3f4f6;
  border-radius: 10px;
  padding: 1px;
  font-size: 24px;
  text-align: right;
  margin-bottom: 20px;
  box-shadow: inset 0 3px 6px rgba(0, 0, 0, 0.1);
}


.buttons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
}

button {
  padding: 20px;
  font-size: 20px;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  background: #e0e7ff;
  transition: all 0.2s ease-in-out;
}

button:hover {
  background: #c7d2fe;
  transform: scale(1.05);
}

.equals {
  grid-column: span 2;
  background: #34d399;
  color: white;
  font-weight: bold;
}

.equals:hover {
  background: #10b981;
}

#clearbtn {
  background: #f87171;
  color: white;
  font-weight: bold;
}

#clearbtn:hover {
  background: #ef4444;
}