* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Helvetica, sans-serif;
}

header h1 {
    font-size: 100px;
    font-weight: bold;
    color: khaki;
    text-align: center;
    background-image: url("/pattern.jpeg");
    margin: 50px 0;
}

.title_green h2 {
    font-size: 32px;
    font-family: Helvetica, sans-serif;
    font-weight: bold;
    color: white;
    background-color: mediumspringgreen;
    margin-bottom: 30px;
}

.title_coral h2 {
    font-size: 32px;
    font-family: Helvetica, sans-serif;
    font-weight: bold;
    color: white;
    background-color: lightcoral;
    margin-bottom: 30px;
}

.title_blue h2 {
    font-size: 32px;
    font-family: Helvetica, sans-serif;
    font-weight: bold;
    color: white;
    background-color: skyblue;
    margin-bottom: 30px;
}

h3 {
    margin-bottom: 30px;
}

img {
    margin-bottom: 30px;
}

span {
    font-family: Arial, Helvetica, sans-serif;
    font-weight: bold;
    color: blue;
}

section {
    margin-bottom: 30px;
}