body{
    background-color: #000;
}

button{
    background-color: #1D0C20;
    border: none;
    color: #FFFFFF;
    padding: 15px 32px;
    text-decoration: none;
    font-size: 1.2rem;
    border-radius: 4px;
    cursor: pointer;
}

button:hover{
    background-color: #651f71;
    box-shadow: 0 8px 16px 0 rgba(0, 0, 0, 0.2);
}

.container{
    background-color: #FFECCE;
    padding: 40px;
    width: 450px;
    margin: auto;
    display: flex;
    flex-direction: column;
}

.traffic-light{
    background-color: #000;
    width: 100px;
    padding-top: 10px;
    padding-bottom: 10px;
    display: flex;
    flex-direction: column;
    margin: auto;
    margin-bottom: 20px;
}

.panel{
    background-color: #808080;
    margin: 10px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    row-gap: 20px;
}

.light{
    width: 50px;
    height: 50px;
    margin: auto;
    
    border-color: #000;
    border-width: medium;
    border-style: solid;
    border-radius: 50%;
}


.red-light{
    background-color: #ff0000;
}

.yellow-light{
    background-color: #ffff00;
}

.green-light{
    background-color: #00ff00;
}

.light-off{
    background-color: #3f3f3f;
}