body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    color: #333;
}

header {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-image: url(cantho.jpg);
    background-size: cover;
    color: whitesmoke;
    text-align: center;
    padding: 120px 0;
}

#title {
    background-color: #333;
    font-size: 48px;
    padding: 10px 20px;
    border-radius: 10px;
}

#subtitle {
    background-color: royalblue;
    margin: 10px 0 0;
    font-size: 24px;
    padding: 6px 12px;
    border-radius: 6px;
}

main {
    text-align: center;
}

.top-3 {
    background-color: beige;
    padding: 20px;
}

.activities {
    display: flex;
    justify-content: space-around;
}

.activity {
    width: 30%;
}

.activity-head {
    font-weight: bold;
}

.img-activity {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin: 10px;
}

h2 {
    font-size: 32px;
    color: black;
}

p {
    font-size: 18px;
}

.tour-guide {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 30px;
    margin: auto;
}
.avatar {
    width: 200px;
    height: 200px;
    border-radius: 20%;
    margin: 0px;
    padding: 0px;
}

.triangle-isosceles {
    width: 200px;
    position: relative;
    padding: 15px;
    margin: 1em 0 3em;
    color: #000;
    background: burlywood;
    border-radius: 10px;
  }
  
  /* creates triangle */
  .triangle-isosceles:after {
    content: "";
    position: absolute;
    bottom: -15px;
    left: 50px;
    width: 0;
    border-width: 15px 15px 0;
    border-style: solid;
    border-color: burlywood transparent;
  }