.attribution { font-size: 11px; text-align: center; }
.attribution a { color: hsl(228, 45%, 44%); }

:root {
    /*### Primary*/

--Orange: hsl(25, 97%, 53%);

    /*### Neutral*/

--White: hsl(0, 0%, 100%);
--LightGrey: hsl(217, 12%, 63%);
--DarkBlue: hsl(213, 19%, 18%);
--VeryDarkBlue: hsl(216, 12%, 8%);
--fontFamily: 'Overpass', sans-serif;
}
* {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}
body {
    background-color: var(--VeryDarkBlue);
    font-family: var(--fontFamily);
    font-size: 15px;
    padding-bottom: 45px;
}
.main-container, .thank {
    margin-left: auto;
    margin-right: auto;
    width: 375px;
    margin-top: 150px;
    background-image: linear-gradient(
    to bottom,
    hsl(212, 18%, 14%),
    hsl(220, 16%, 11%)
  );
    border-radius: 14px;
    padding-bottom: 26px;
}
/*img star-icon*/
.top_img {
    border-radius: 50%;
    background-color: var(--DarkBlue);
    max-width: 100%;
    padding: .4rem;
    margin-top: 1.3rem;
    margin-left: 1.9rem;
}
h1, h2 {
    color: var(--White);
    margin-top: 20px;
}
p {
    color: var(--LightGrey);
    margin-top: 15px;
    line-height: 1.8;
}
h1, p, h2 {
    margin-left: 20px;
}
/*List*/
ul {
    list-style-type: none;
    margin-left: 20px;
}
ul li {
    display: inline-block;
    margin: 0.5rem;
}
.btn {
    cursor: pointer;
    border-radius: 50%;
    background-color: var(--DarkBlue);
    border: none;
    color: var(--White);
    font-size: 1rem;
    width: 3rem;
    height: 3rem;
    transition: 0.3s;
    margin-top: 15px;
}
.btn:hover {
    background-color: var(--White);
    color: var(--VeryDarkBlue);
  }
.btn:focus {
    background-color: var(--Orange);
}
.btn-submit {
    width: 85%;
    height: 2.6rem;
    padding: 0.625rem 2rem 0.5rem;
    border-radius: 30px;
    margin-left: 25px;
    border: none;
    background-color: var(--Orange);
    color: var(--VeryDarkBlue);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: .9rem;
    font-weight: 600;
    margin-top: 15px;
    cursor: pointer;
}
.btn-submit:hover {
    background-color: var(--White);
    color: var(--VeryDarkBlue);
}
/* Thank State */
.thank {
    text-align: center;
    padding-right: 15px;
}
.thank img {
    display: block;
    margin:  0 auto 1rem;
    padding-top: 40px;
}

.thank h2 {
    text-align: center;
}
.thank .orange {
    color: var(--Orange);
    background-color: var(--DarkBlue);
    border-radius: 30px;
    padding: 0.3rem 1rem 0;
    display: inline-block;
    align-content: center;
    justify-content: center;
}
.hidden {
    display: none;
}