body {
    background-image: url(./images/capsule_616x353.jpg);
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
    text-align: center;
}
.introduction {
    width: 98%;
    height: 250px;
    position: relative;
    margin: auto;
    background-color: hsla(44, 6%, 22%, 1.0);
    border-radius: 20px;
    margin-top: 20px;
    border: 2px solid black;
    background-color: hsla(193,10%,10%,0.8);
}
.conclusion {
    width: 98%;
    height: 300px;
    position: relative;
    margin: auto;
    background-color: hsla(44, 6%, 22%, 1.0);
    border-radius: 20px;
    margin-top: 50px;
    border: 2px solid black;
    background-color: hsla(193,10%,10%,0.8);
}
.heading {
    background-color: hsla(0, 26%, 0%, 0.5);
    width: 100%;
    height: 55px;
}
.headingmain {
    background-color: hsla(0, 26%, 0%, 0.5);
    width: 100%;
    height: 35px;
}
.center {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.centertable {
    margin-left: auto;
    margin-right: auto;
}

p {
    color: white
}

h1 {
    color: white
}

h2 {
    color: white
}

h3 {
    color: white
}
table, th, td {
    color: white
}
p {
    font-size: 20px;
}