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

body {
  background: black;
  font-family: 'Poppins', sans-serif;
}

.container {
  width: 100%;
  align-items: center;
  display: flex;
  flex-direction: column;
}

.calc-header {
  color: white;
  margin: 16px 0px;
  text-align: center;
}

.main-calc {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.calc-group {
  display: flex;
  margin: 4px;
  width: 400px;
}

.calc-label {
  width: 40%;
  min-width: 175px;
  margin-right: 5px;
  background-color: #E9ECEF;
  padding: 7px;
  border: 1px solid #E9ECEF;
  border-radius: .25rem;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.calc-button {
  width: 40%;
  min-width: 175px;
  margin-right: 5px;
  background-color: #037BFE;
  padding: 7px;
  color: white;
  border: 1px solid #037BFE;
  border-radius: .25rem;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.calc-button:active {
  background: darkblue;
  -webkit-box-shadow: inset 0px 0px 5px #c1c1c1;
     -moz-box-shadow: inset 0px 0px 5px #c1c1c1;
          box-shadow: inset 0px 0px 5px #c1c1c1;
   outline: none;
}
.calc-button:hover {
  transform: scale(0.98);
}

.dollar {
  background-color: #E9ECEF;
  padding-left: 5px;
  padding-top: 5px;
}

.calc-input {
  padding-left: 5px;
  border: 1px solid  white;
  border-radius: .25rem;
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  width: 100%;
}

.display:disabled {
  background-color: #E9ECEF;

}

.display {
  padding: 5px;
  background-color: #E9ECEF;
  border: 1px solid  #E9ECEF;
  border-radius: .25rem;
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  width: 100%;
}

.clear-button {
  margin: 50px 0 0 0;
  text-align: center;
  background-color: #DD3444; 
  border: 1px solid #DD3444;
  border-radius: .25rem;
  padding: 7px;
  color: white;
}

.clear-button:active {
  background: red;
  -webkit-box-shadow: inset 0px 0px 5px #c1c1c1;
     -moz-box-shadow: inset 0px 0px 5px #c1c1c1;
          box-shadow: inset 0px 0px 5px #c1c1c1;
   outline: none;
}
.clear-button:hover {
  transform: scale(0.98);
}

@media (min-width: 500px) {
  .main-calc{
      max-width: 500px;
  }
}