body {
    font-family: 'Roboto', sans-serif;
    background-color: rgb(249, 249, 249);
}

a {
    color:rgb(255, 255, 255);
    text-decoration: none;
}

.intro-image {
    text-align: center; 
}

.title-classes, .title-dates {
    font-size: 3rem;
    font-weight: 100px;
    padding: 50px 0px;
    color: rgb(25, 87, 98);
}

.title-beginning {
    font-size: 2.0rem;
    font-weight: 100px;
    padding: 50px 0px;
    color: rgb(25, 87, 98)

}

.text-bio {
    font-size: 1.2rem;
    display: block;
    text-align: left;
}

nav {
    background-color: rgba(255, 255, 255, 0.72);
}

.card {
    padding-bottom: 1.2rem;
    background-color: rgb(251, 249, 249);
}

.label-text {
    font-size: 1.1rem;
    font-weight: lighter;
    padding: 2.0rem;
    text-align: justify;
}

.p {
    text-align: justify;
}

footer {
    background-color: rgb(25, 87, 98);
    color: aqua;
    padding-top: 60px;
    padding-bottom: 40px;
}

.overlay {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100%;
    width: 100%;
    opacity: 0;
    transition: .3s ease;
    background-color: red;
  }