web250825/scss/index.css

/*sasa*/
.box {
  width: 400px;
  height: 400px;
  border: 3px solid #f00;
}

.sun {
  width: 30px;
  height: 30px;
  border-radius: 20px;
  border: 1px solid #00f;
}

h1 {
  color: #f00;
  font-size: 40px;
  font-weight: lighter;
}

p {
  color: #f00;
  font-weight: 800;
  width: 200px;
  height: 100px;
  border: 2px solid #0f0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  box-shadow: 10px 20px 10px aqua;
}

.main {
  width: 400px;
  background: yellow;
  height: 400px;
  border: 2px solid #000;
}

.main ul {
  list-style: none;
}

.main ul li:first-child a {
  color: #ff0;
}

.main ul li a {
  text-decoration: none;
  font-size: 25px;
  font-weight: bold;
}

.main ul li a:hover {
  color: #f00;
}