String css = R"(
body {
  font-family: 'Arial', sans-serif;
  text-align: center;
  background-color: #3498db;
  color: #fff;
  margin: 0;
  padding: 0;
  display: inline-grid;
  flex-wrap: wrap;
  justify-content: space-around;
  align-items: center;
  height: 100px;
}

h1 {
  color: #349;
  margin-top: 20px;
}

form {
  margin: auto;
  max-width: 80%;
}

input {
  padding: 1em;
  margin: 1em 0;
  width: 100%;
}

.buttons {
  list-style: none;
  padding: 0;
}

.button {
  display: inline-block;
  background-color: #2980b9;
  color: #fff;
  /*! padding: 15px; */
  margin: 5px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s ease;
  width: 150px;
}

.button:hover {
  background-color: #2471a3;
}

.buttons.data {
  display: flex;
  li {
    width: 150px;
  }  
}

li {
  display: block;
  margin: 10px 0;
}

.notification {
  position: fixed;
  top: 10px;
  right: 10px;
  background-color: #2ecc71;
  color: #fff;
  padding: 10px;
  border-radius: 5px;
  display: none;
}

.button.low { background-color: red; } 
.button.high { background-color: green;}

        .control-container {
            background: #C0C0C0;
            width: 128px;
            height: 64px;
            margin: 10px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            border-radius: 10px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
            transition: background-color 0.3s ease-in-out; /* Ajout de la transition */
        }

        h2,button {
            margin: 0;
            font-size: 1rem;
        }

        p {
            font-size: 1.2rem;
            margin-top: 20px;
        }

        /* Ajout des styles au survol ou au clic */
        .control-container:hover,
        .control-container:active {
            background-color: #a0a0a0;
        }

        .arcade-button {
            display: inline-block;
            position: relative;
            width: 150px;
            height: 150px;
            background-color: #3498db;
            border: 10px solid #2c3e50;
            border-radius: 50%;
            overflow: hidden;
            cursor: pointer;
            transition: background-color 0.3s ease-in-out;
        }

        .arcade-button:hover {
            background-color: #2980b9;
        }

        .button-content {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            color: #ecf0f1;
            font-size: 1.5rem;
            text-align: center;
        }

)";