body{
  background-color: white;
  margin: 0;
font-family: Arial, Helvetica, sans-serif;
}

.topnav {
overflow: hidden;
background-color: #333;
}

.topnav a {
float: center;
color: #f2f2f2;
text-align: center;
padding: 14px 16px;
text-decoration: none;
font-size: 17px;
}

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

.topnav a.active {
background-color: #4CAF50;
color: white;
}


h1 {
  color: black;
  text-align: center;
}
h2 {
  color: #0000ff;
  font-style: italic;
  text-align: center;
}
h3 {
  color: green;
  font-style: italic;
  text-align: center;
}
p {
  line-height: 20px;
  color: green;
  font-weight: bold;
  font-family: sans-serif;
  text-align: center;
}
ul {
  color: black;
  line-height: 25px;
}
ol {
  color: black;
  line-height: 25px;
}
.marquee {
    height: 60px;
    overflow: invisible;
    position: relative;
    background: white;
    color: maroon;
    border: 1px solid green;
}

.marquee p {
    position: absolute;
    width: 100%;
    height: 100%;
    margin: 0;
    line-height: 50px;
    text-align: center;
    -moz-transform: translateX(100%);
    -webkit-transform: translateX(100%);
    transform: translateX(100%);
    -moz-animation: scroll-left 1s linear infinite;
    -webkit-animation: scroll-left 1s linear infinite;
    animation: scroll-left 15s linear infinite;
}

@-moz-keyframes scroll-left {
    0% {
        -moz-transform: translateX(100%);
    }
    100% {
        -moz-transform: translateX(-100%);
    }
}

@-webkit-keyframes scroll-left {
    0% {
        -webkit-transform: translateX(100%);
    }
    100% {
        -webkit-transform: translateX(-100%);
    }
}

@keyframes scroll-left {
    0% {
        -moz-transform: translateX(100%);
        -webkit-transform: translateX(100%);
        transform: translateX(100%);
    }
    100% {
        -moz-transform: translateX(-100%);
        -webkit-transform: translateX(-100%);
        transform: translateX(-100%);
    }
}