body {
    font-family: "Ubuntu", sans-serif;
    margin: auto;
    background-color: #1d2630;
    color: white;
}

footer{
    background-color: azure;
    color: black;
    margin-top: 200px; 
    padding: 50px;
    padding-right: 30%;
}

p{
    font-size: 30px;
    width: 80%;
    text-align: center;
    margin: auto;
}

a {
    text-decoration: none;
    color: orangered;
}

a:visited {
    color: orangered;
}

a:hover{
    color: white;
}

.section {
    margin-bottom: 200px;
}

.toTop {
    font-family: "Ubuntu", sans-serif;
    font-size: 40px;
    text-align: center;
    width: 70px;
    height: 70px;
    position: fixed;
    bottom: 30px;
    right: 30px;
    padding: 0px;
    border-radius: 50%;
    border: solid;
    border-color: white;
    background-color: #1d2630;
    color: white;
    display: inline-block;
}

img{
    text-align: center;
    margin: auto;
    margin-bottom: 40px;
    display: block;
    width: 50%;
    border-radius: 30px;
}

img.appIcon{
    width: 30%;
}

img.appStoreLogo {
    width: 35%;
    margin: auto;
    margin-bottom: 40px;
    border-radius: 0px;
}

img.education {
    background-color: white;
    width: 25%;
    padding: 40px;
}

h1 {
    font-size: 70px;
    margin-left: 20px;
    color: lightgray
}

h2 {
    font-size: 50px;
    text-align: center;
}

span.class{
    color: lightseagreen;
}

span.property{
    color: mediumpurple;
}

span.quote{
    color: orangered;
}

div.content{
    opacity: 0;
    overflow: auto;
}

ul {
  list-style-type: none;
  padding-left: 20px;
  overflow: hidden;
}

li {
  float: left;
}

li a {
    font-size: 30px;
    display: block;
    padding: 10px;
    padding-right: 20px;
    padding-left: 20px;
    text-decoration: none;
    color: white;
}

li a:visited {
    color: white;
}

li a:hover {
    background-color: azure;
    color: black;
}

@media only screen and (max-width:620px) {
  /* For mobile phones: */
    h1{
        font-size: 50px;
    }
    h2{
        font-size: 35px;
    }
    p{
        font-size: 25px;
    }
    img.appStoreLogo {
        width:80%;
    }
    img.education {
        width: 60%;
    }
    img.appIcon{
        width: 80%;
    }
    img {
        width: 80%;
    }
    
}