body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
}

#search {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 50px;
}

#searchInput {
  padding: 10px;
  font-size: 18px;
  border-radius: 5px 0 0 5px;
  border: none;
  width: 400px;
  box-shadow: 2px 2px 2px gray;
}

#searchButton {
  padding: 10px 20px;
  font-size: 18px;
  background-color: #4CAF50;
  color: white;
  border: none;
  border-radius: 0 5px 5px 0;
  cursor: pointer;
  transition: background-color 0.2s ease-in-out;
  box-shadow: 2px 2px 2px gray;
}

#searchButton:hover {
  background-color: #388E3C;
}

#content {
  display: flex;
  justify-content: center;
  align-items: center;
}
.node circle {
  stroke: gray;
  stroke-width: 2px;
  fill-opacity: 0.7;
}

.node.red circle {
  fill: #F44336;
}

.node.green circle {
  fill: #4CAF50;
}

.node.gray circle {
  fill: #9E9E9E;
}

#alert {
  top: 30%;
  background-color: #ff594d;
  padding: 25px;
  margin: auto;
  align-items: center;
  width: 1000px;
  border-radius: 5px;
  box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.2);
  z-index: 1000;
}

#sentence {
  top: 30%;
  background-color: #d4ffc0;
  padding: 25px;
  margin: auto;
  align-items: center;
  width: 1000px;
  border-radius: 5px;
  box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.2);
  z-index: 1000;
}

#sentence-text {
  text-align: center;
}

#alert-text {
  text-align: center;
}

.hidden {
  display: none;
}