body {
  background-image: url(fon.png);
}

#calculator {
  padding: 0 25px;
}

.title {
  margin: 50px 0;
}

.calculator-form {
  width: 100%;
}

.buttons {
  margin-bottom: 10px;
}

.buttons button {
  width: 50px;
}

/* input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
   opacity: 0 !important;
} */

.arrow {
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  font-size: 0;
  line-height: 0;
  float: left;
}

.arrow:hover {
  cursor: pointer;
}

.arrow-down {
  border-top: 10px solid #6C7581;
}

.arrow-up {
  border-bottom: 10px solid #6C7581;
}

.arrow-container {
  width: 20px;
  position: absolute;
  right: -10px;
  top: 7px;
}

.arrow-container .arrow-up {
  margin-bottom: 4px;
}

.relative {
  position: relative;
}