.nav-bar{
    height: 60px;
    background-color: #9509c0;
}
.ul-header{
    list-style-type: none;
    text-align: center;
    margin: 0px;
    padding: 0px;
    position: relative;
    top:50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.li-header{
    display: inline;
    padding: 14px;
    padding-left: 50px;
    padding-right: 50px;
    font-family: "Baloo 2";
    font-size:20px;
    color: white;
    background-color: #9509c0;
    border: 0px #00ffbb solid;
    transition: 0.3s;
}
.li-header:hover{
    border: 3px #00ffbb solid;
    background-color: #760698;
}
a{
    text-decoration: none;
}
body{
    margin: 0px;
}
.Logo{
    float: left;
    width: 170px;
    border-radius: 100px;
}
.extra{
    border: 10px solid purple;
    border-radius: 15px;
    margin: 15px;
    padding: 10px;
    background-color: #760698;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: right;
}
.header{
    background-image: linear-gradient(rgba(0, 0, 0, 0.500),rgba(0, 0, 0, 0.120)) ,url(living-tissues.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-attachment: scroll;
    padding: 10px;
}
.heading{
    text-align: center;
    font-family: 'Satisfy';
    filter: drop-shadow(3px 3px 3px rgba(100, 100, 100, 0.916));
    color: #fff;
    font-size: 62px;
    padding-bottom: 0px;
}
h2{
    font-family: 'Satisfy';
    font-size: 40px;
    margin-left: 15px;
}
h3{
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
    font-size: 25px;
    display: inline;
    color: black;
    margin-left: 15px;
}
hr{
    border-top: 5px red double;
    margin-top: 10px;
    margin-bottom: 10px;
}
input{
    margin: 15px;
    width: 17px;
    height: 17px;
}
p{
    font-size: 20px;
    font-family: 'Baloo 2';
    margin: 0px;
}
.footer{
    background-image: linear-gradient(#069c74, #8110a3);
    padding-top: 5px;
    width: 100%;
    padding-bottom: 5px;
    color: rgba(224, 224, 224, 0.767);
    font-family: 'Baloo 2';
    font-size: 20px;
}
.images{
    width: 35%;
    margin: 15px;
    padding: 15px;
    height: auto;
    border: 2px solid blue;
}
.table{
    border: 2px solid black;
    margin:15px;
    width: 90%;
    border-collapse: collapse;
}
.th,.td{
    padding: 15px;
    border: 2px solid black;
    text-align: center;
    
}