.attribution { 
    font-size: 11px; text-align: center; 
}

.attribution a { 
    color: hsl(228, 45%, 44%); 
}

article {
    display: block;
    align-items: center;
    justify-content: center;
}

h1 {
    color: white;
}

p {
    color: hsl(217, 12%, 63%);
}

p, h1, .btn {
    margin-left: 20px;
    margin-top: 10px;
}

.background {
    width: 400px;
    height: 400px;
    background-color: hsl(216, 12%, 8%);
}

.card {
    display: block;
    justify-content: center;
    align-items: center;
    width: 310px;
    height: 50vb;
    background-color: hsl(213, 19%, 18%);
    border-radius: 20px;
    margin:auto;
}

.btn {
    display: inline;
    justify-content: space-between;
    border-radius: 50%;
    height: 35px;
    width: 35px;
    border: none;
    background-color: darkslategray;
    color:  hsl(217, 12%, 63%);
}

.star {
    margin-top: 20px;
}

.submit {
    width: 290px;
    height: 40px;
    background-color: hsl(25, 97%, 53%);
    border-radius: 30px;
    border: none;
    margin-top: 30px;
    margin-left: 10px;
}

.thanks {
    display: block;
    justify-content: center;
    align-items: center;
    width: 310px;
    height: 50vb;
    background-color: hsl(213, 19%, 18%);
    border-radius: 20px;
    margin:auto;
    text-align: center;
}

.you {
    text-align: center;
    padding-top: 20px;
}

h2 {
    color: white;
    text-align: center;
}

.selected {
    color: hsl(25, 97%, 53%);
}

button:hover {
    background-color: #555;
    color: orange;
  }