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

.container {
  display: flex;
  justify-content: center;
}

.allButtons {
  display: flex;
  justify-content: space-between;
}

button {
  width: 100px;
  cursor: pointer;
}

button:hover {
  background: #000000;
  color: #ffffff;
}
/* για τα βελάκια του bitcoin input field */
input[type='number']::-webkit-inner-spin-button,
input[type='number']::-webkit-outer-spin-button {
  -webkit-appearance: none;
}
input[type='number'] {
  -moz-appearance: textfield;
}