body {

    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient( rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5) ), url('MedicalResearchImage.jpg');


}

.navigation {

    background-color: #000000;
    overflow: hidden;
    padding: 0px;

}

.navigation a {

    float: left;
    color: #f2f2f2;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 25px;

}

.navigation a:hover {
    background-color: #04AA6D;
}

.navigation a.active {

    background-color: #007fff;
    color: white;

}

h1 {

    color: white;
    font-size: 100px;

}

h2 {

    color: white;
    font-size: 50px;

}

h3 {

    text-align: center;
    font-size: 25px;
    color: white
}

.abouttext {

    text-align: left;
    font-size: 20px;

}

.central {

    display: flex;
    position: fixed;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    flex-direction: column;
    justify-content: center;
    text-align: center;

}