:root {
  --bg_clr: #0d0d0d;
  --txt_clr: #f0f0f0;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: 'Open Sans', sans-serif;
  background-color: var(--bg_clr);
  color: var(--txt_clr);
}
body {
  padding: 0 15px;
}
main {
  max-width: 512px;
  margin: 24px auto;
}
h1 {
  font-size: clamp(18px, 4vw, 32px);
}
a {
  color: var(--txt_clr);
  font-size: 18px;
  text-decoration: none;
  text-transform: uppercase;
  font-weight: 700;
}
a:hover {
  color: #8b8b8b;
  text-decoration: underline;
}
input[type="text"], select {
    font-size: 18px;
    width: calc(100% - 30px);
    margin: 16px auto 32px;
    padding: 8px 10px;
    font-weight: 400;
    letter-spacing: 0.04em;
    background: var(--bg_clr);
    color: var(--txt_clr);
    border: 1px solid var(--txt_clr);
    outline: none;
}
.sep {
  background-color: #000;
  width: 100%;
  height: 1px;
  margin: 24px 0 32px;
}
.he_header {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}
.he_nav {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-content: center;
    align-items: center;
    gap: 30px;
}
a.timebtn {
  background-color: var(--bg_clr);
  border-radius: 10px;
  padding: 8px 15px;
  color: var(--txt_clr);
  font-size: 12px;
  text-decoration: none;
  text-transform: uppercase;
  border: 1px solid var(--txt_clr);
}
a.timebtn:hover {
  background-color: var(--txt_clr);
  color: var(--bg_clr);
}
.time {
  margin: 0;
  padding: 0;
  font-weight: 300;
  font-size: 14px;
}
.comment {
  font-weight: 700;
  margin: 0 0 24px;
  padding: 0;
  font-size: 16px;
}