@import url("https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100..900;1,100..900&family=Silkscreen:wght@400;700&display=swap");
:root {
  --black: #222428;
  --grey: #383b3f;
  --screen: #141010;
  --text: #55885d;
  --radius: 4%;
  --button: #515157;
  --background: #2c2c2e;
  --vh: 10vh;
}

* {
  padding: 0;
  margin: 0;
  font-family: "Silkscreen", sans-serif;
}

body {
  background-color: var(--background);
  
}

.calculator {
  background-color: var(--grey);
  display: flex;
  align-items: center;
  flex-direction: column;
  border-radius: var(--radius);
  box-shadow: 11px 1px 38px 27px rgba(20, 11, 18, 0.8);
  margin: auto;
  margin-top: 10vh;
}
.screen {
  background-color: var(--screen);
  border-radius: var(--radius);
  border: 0;
  width: 90%;
  height: var(--vh);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: right;
  flex-direction: column;
  color: var(--text);
  margin-bottom: 5vh;
  font-size: var(--vh);
  margin: 5%;
  padding: 1%;
}
.buttons {
  width: 90%;
  box-sizing: border-box;
  text-align: center;
  margin-bottom: 5vh;

}
.input {
  background-color: var(--black);
  border-radius: var(--radius);
  border: 0;
  box-shadow: 4px 0px 8px 0px rgba(43, 54, 46, 1);
  cursor: pointer;
  width: var(--vh);
  align-self: stretch;
  margin-bottom: 1vh;
  font-size: var(--vh);
}
input:active {
  background-color: var(--button);
}