body {
  font-family: "Open Sans", "Roboto", sans-serif;
  padding: 20px;
  background-color: #f9f9f9;
  position: relative;
}

.container {
  width: 280px;
  padding: 0;
  margin: 0 auto;
}

input {
  height: 1.6em;
  width: 90%;
  text-align: right;
  font-size: 2em;
  padding: 10px;
  border: 2px solid #f9f9f9;
  -webkit-transition-duration: 0.4s; /* Safari */
  transition-duration: 0.4s;
  box-shadow: 1px 1px 1px #828282;
}

input[type="text"]:focus {
  border: 2px solid #828282;
}

#errors {
  color: #f44336;
  position: absolute;
  display: block;
  padding-left: 5px;
  top: 28px;
  z-index: 9;
}
.row {
  margin: 4px;
}

.buttons {
  margin: 0 auto;
}

.button {
  height: 64px !important;
  font-size: 1.6em;
  width: 64px;
  border: none;
  -webkit-transition-duration: 0.3s; /* Safari */
  transition-duration: 0.3s;
  cursor: pointer;
  background-color: white;
  color: #545454;
  text-shadow: 1px 1px 4px #e5e5e5;
  box-shadow: 1px 1px 1px #828282;
}

.button:hover {
  background-color: #7c7c7c;
  text-shadow: 1px 1px 4px #c1c1c1;
  color: white;
  box-shadow: 1px 1px 1px grey;
}

.button:active {
  transform: translate(1px, 1px);
  box-shadow: 0px 0px 0px grey;
}

.action {
  background-color: #e7e7e7;
  text-shadow: 1px 1px 4px #c1c1c1;
}

.submit {
  background-color: #e7e7e7;
  color: #2b8c2f;
  text-shadow: 1px 1px 4px #c1c1c1;
}

.submit:hover {
  background-color: #4caf50;
  color: white;
}

.remove {
  color: #f44336;
}

.remove:hover {
  background-color: #f44336;
  color: white;
  box-shadow: 1px 1px 1px grey;
}

.button-long {
  width: 132px;
}

input:focus,
.button:focus {
  outline: none;
}