body {
    background-color: azure;
    font-family: Arial, Helvetica, sans-serif;
}

h1 {
    color: black;
    text-align: center;
}

h2 {
    color: black;
    text-align: center;
}

p {
    font-family: Helvetica;
    font-size: 15px;
}

span.boldtext {
    font-weight: bold;
}

span.italictext {
    font-style: italic;
}

.topnav {
  overflow: hidden;
  background-color: darkgrey;
  text-align: center;
  
}

.topnav a {
  float: none;
  color: white;
  text-align: center;
  padding: 40px 50px 40px 50px;
  text-decoration: none;
  font-size: 20px;
}

.topnav a:hover {
  background-color: darkgrey;
  color: black;
}

.topnav a.active {
  background-color: darkgrey;
  color: black;
}
h1 {
    font-size: 40px;
}

h2 {
    font-size: 30px;
}

h3 {
    Font-size:20px;
}

p {
    font-size: 14px;
}
.wrapper {
    width: 100%;
    padding: 20px;
    box-sizing: border-box;
}
.circle{
    width: 110px;
    padding: 30px 0;
    line-height: 0;
    text-align: center;
    position: absolute;
    left: 55%;
    margin: 65px auto;
    background: lightblue;
    color: black;
    border-radius: 50px;
    cursor: pointer;
    transition: 1s;
}
.circle:hover{
    Background: lightgreen;
    transform: rotate(360deg);
}

html,
body {
  height: 75%;
}
.center {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 50%;
}
body {
    font-family: "Lato", sans-serif;
}

.sidenav {
    height: 100%;
    width: 100px;
    position: fixed;
    z-index: 1;
    top: 0;
    left: 0;
    background-color: #111;
    overflow-x: hidden;
    padding-top: 20px;
}

.sidenav a {
    padding: 6px 8px 6px 16px;
    text-decoration: none;
    font-size: 25px;
    color: #F0FFF0;
    display: block;
}

.sidenav a:hover {
    color: #f1f1f1;
}

.main {
    margin-left: 160px; /* Same as the width of the sidenav */
    font-size: 28px; /* Increased text to enable scrolling */
    padding: 0px 10px;
}

@media screen and (max-height: 450px) {
    .sidenav {padding-top: 15px;}
    .sidenav a {font-size: 18px;}

}.wrapper {
    width: 100%;
    padding: 20px;
    box-sizing: border-box;
}
div3 {
    width: 300px;
    height: 100px;
    position: absolute;
    border: 1px solid black;
}

div#div3 {
    -ms-transform: rotate(-20deg); /* IE 9 */

    -webkit-transform: rotate(-20deg); /* Safari */
    transform: rotate(-20deg); /* Standard syntax */
}
#div1 {
    float: left;
    width: 400px;
    height: 294px;
    margin: 10px;
    padding: 10px;
    position: absolute;
    left: 55%;
    border: 1px solid lightblue;
}
#div2 {
    float: left;
    width: 400px;
    height: 294px;
    margin: 10px;
    padding: 10px;
    position: absolute;
    Right: 45%;
    border: 1px solid lightblue;
}
 input:required:invalid, input:focus:invalid {
    background-image: url(data:image/png;base64,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);
    background-position: right top;
    background-repeat: no-repeat;
    -moz-box-shadow: none;
  }
  input:required:valid {
    background-image: url(data:image/png;base64,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);
    background-position: right top;
    background-repeat: no-repeat;
  }
img {
    max-width: 100%;
    height: auto;
}