* {
  box-sizing: border-box;
}

html {
  font-family: "Source Sans Pro", sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  background-image: linear-gradient(#007eff, #20807b);
  height: 100vh;
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  transition: all 0.3s ease-in;
}

#calculator {
  height: 100vh;
  display: flex;
}

.iltekin {
  color: #787878;
  margin-top:30px;
  font-size:10px;
  width:100%;
  text-align: center;
}

@media (max-width: 512px) {
  body {
    padding: 32px;
    transition: all 0.3s ease-in;
  }
}
@media (max-width: 360px) {
  body {
    padding: 16px;
    transition: all 0.3s ease-in;
  }
}

h1 {
  text-align: center;
  color: #000;
  margin: 0 0 16px 0;
}

p {
  text-align: center;
  margin-top: 0;
  margin-bottom: 24px;
}

.container {
  align-self: center;
  max-width: 480px;
  margin: 0 auto;
  background-color: #fff;
  padding: 64px;
  box-shadow: 2px 2px 16px #111;
  border-radius: 8px;
  transition: all 0.3s ease-in;
}
@media (max-width: 512px) {
  .container {
    padding: 32px;
    transition: all 0.3s ease-in;
  }
}
@media (max-width: 360px) {
  .container {
    padding: 16px;
    transition: all 0.3s ease-in;
  }
}

label {
  display: inline-block;
  width: 25%;
  min-width: 128px;
  margin-bottom: 8px;
  font-weight: bold;
}

input, select {
  display: inline-block;
  background-color: #fff;
  color: #888;
  border: 2px solid #888;
  border-radius: 2px;
  height: 56px;
  width: 100%;
  font-size: 24px;
  padding: 0 16px;
  margin-bottom: 24px;
}
input:focus, select:focus {
  background-color: #fff;
  color: #3200ff;
  border-color: #3200ff;
  outline: 0;
}

input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.result {
  color: #000;
  font-size: 48px;
  text-align: center;
  font-weight: bold;
  transition: all 0.3s ease-in;
}
@media (max-width: 512px) {
  .result {
    font-size: 40px;
    transition: all 0.3s ease-in;
  }
}
@media (max-width: 400px) {
  .result {
    font-size: 32px;
    transition: all 0.3s ease-in;
  }
}

@media (max-height: 750px) {
  body {
    height: 100%;
  }
}