styles.css

body{
  height: 100vh;
  display: flex;
  flex-flow: column nowrap;
  justify-content: center;
  align-items: center;
  text-align: center;
  background-image: url("img/texture.jpg");
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;  
}

h1{
  padding: 1rem 0;
  font-family: 'Courgette', 'cursive';
  font-size: 28px;
}

.calculator {
  padding: 2rem 0;
  width: 350px;
  background-color: black;
  border-radius: 15px;
  box-shadow: 0 10px 30px black;
}

.row{
  display: flex;
  flex-flow: row nowrap;
  justify-content: space-evenly;
  align-items: center;
  margin: 1rem 0;
}

#terminal {
  font-family:'digital';
  border-style: inset;
  border-width: 7px;
  border-color: gray;
  height: 3rem;
  width: 80%;
  background-color: #BDE8B5;
  margin-bottom: 1rem;
  font-size: 30px;
  text-align: right;
  line-height: 3rem;
  padding: 0 0.5rem;
}


button {
  padding: 12px 0;
  width: 60px;
  text-align: center;
  font-size: 24px;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  outline: none;
  color: #fff;
  background-color: #999;
  border: none;
  border-radius: 15px;
  box-shadow: 0 9px gray;
}
  
button:active {
  box-shadow: 0 5px #666;
  transform: translateY(4px);
}

#equal {
  width: 86%;
  background-color: green;
}

.operator {
  background-color: orange;
}

#clear {
  background-color: orangered;
}

@font-face{
  font-family:'digital';
  src: url('fonts/digital.ttf');
 }