body, html {
  height: 100%;
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
}
* {
  box-sizing: border-box;
}

body {
  font-family: Arial;
  padding: 5px;
  background: #FF1493;
}

.header {
  padding: 0px;
  text-align: center;
  background: black;
}

h1, h2, h3, h4, h5, h6 {
  color: gold;
  text-shadow: 3px 3px 20px white, 0 0 20px gold;
  font-family: Sofia, serif;
  text-align: center;
}
p {
  color: white;
  text-align: justify;
  font-family: Arial, Helvetica, sans-serif;
}
li {
   color:white;
   text-align: justify;
   font-family: Arial, Helvetica, sans-serif;
}
mark {
  background-color: yellow;
  color: black;
}
.column {
  float: left;
  width: 20%;
  padding: 5px;
  text-align: center;
}
.column2 {
  float: left;
  width: 50%;
  padding: 5px;
  text-align: center;
}
video {
  max-width: 100%;
  height: auto;
}
img {
  border-radius: 15px;
  text-align: center;
}

.row::after {
  content: "";
  clear: both;
  display: table;
}

.leftcolumn {   
  float: left;
  width: 75%;
}


.rightcolumn {
  float: left;
  width: 25%;
  padding-left: 20px;
}

.card {
  background-color: #FF1493;
  padding: 20px;
  margin-top: 10px;
}


.row:after {
  content: "";
  display: table;
  clear: both;
}

.footer {
  padding: 20px;
  text-align: center;
  background: #F433FF;
  margin-top: 20px;
}
.topnav {
  overflow: hidden;
  background-color: #333;
}

.topnav a {
  float: left;
  display: block;
  color: #ffffff;
  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: #F433FF;
  color: white;
}

.topnav .icon {
  display: none;
}

@media screen and (max-width: 600px) {
  .topnav a:not(:first-child) {display: none;}
  .topnav a.icon {
    float: right;
    display: block;
  }
}

@media screen and (max-width: 600px) {
  .topnav.responsive {position: relative;}
  .topnav.responsive .icon {
    position: absolute;
    right: 0;
    top: 0;
  }
  .topnav.responsive a {
    float: none;
    display: block;
    text-align: left;
  }
}
.button {
  border-radius: 10px;
  background-color: #F433FF;
  border: 10%;
  color: #FFFFFF;
  text-align: center;
  font-size: 10px;
  padding: 5px;
  width: 100%;
  transition: all 0.5s;
  cursor: pointer;
  margin: 5px;
}

.button span {
  cursor: pointer;
  display: inline-block;
  position: relative;
  transition: 0.5s;
}

.button span:after {
  content: '\00bb';
  position: fixed;
  opacity: 0;
  top: 0;
  right: -0px;
  transition: 0.5s;
}

.button:hover span {
  padding: 0px;
}

.button:hover span:after {
  opacity: 1;
  right: 0;
}

@media screen and (max-width: 800px) {
  .leftcolumn, .rightcolumn {   
    width: 100%;
    padding: 0;
  }
}