* {
    margin: 0;
}

body {
    text-align: left;
    background-color: #fff;
}

h1 {
    text-align: center;
}

h2 {
    text-align: center;
}

h3 {
    text-align: center;
}

h4 {
    text-align: center;
}

div.container {
    border: 2px solid #000;
    border-radius: 15px;
    width: 60%;
    margin-left: 20%;
    margin-top: 10px;
    padding: 4px;
}

div.line {
    border-top: 0.25px solid #555;
    width: 96%;
    margin-top: 10px;
    margin-bottom: 5px;
    margin-left: 2%;
}

img {
    width: 100%;
}