{
  box-sizing: border-box;
}
.dropdownmenu {
          display: inline-block;
          position: relative;
          top: 3px;
          left: 15px;
          margin-top:10px;
          margin-bottom:10px;
        }
        .dropdownmenu span {
          padding: 10px;
          text-align: center;
          background-color:rgb(88, 87, 87);
          color:aquamarine;
          text-decoration: none;
        }
        .dropdownlinks {
          display: none;
          position: absolute;
          background-color: lightslategray;
          color: aquamarine;
          width: 310px;
          top: 10px; 
          border: thick solid rgb(88, 87, 87);
          text-align: left
        }
        .dropdownlinks a {
          display: block;
          text-decoration: none;
          color: black;
          padding: 8px;
          text-align: left;
        }
        .dropdownmenu
         span:hover, .dropdownlinks a:hover {
            background-color: rgb(88, 87, 87);
            color: aquamarine;
        }
        .dropdownmenu:hover .dropdownlinks {
          display: block;
        }
        .header {
          height: 100%; /* manually calculated header height through setting this to x%*/
          width: 100%;
          text-align: center;
          background-image:url("https://zettabytesofknowledge.neocities.org/cybersecbackground3d.jpg");
        }
        .footer {
          height: 100%; /* manually calculated header height through setting this to x%*/
          width: 100%;
          text-align: center; 
          background-color: aquamarine;   
        }
body {
  background-image:url('https://zettabytesofknowledge.neocities.org/earth-space-desktop.jpg');background-repeat: repeat; background-size: 100%;
  font-family: cursive;
}
/*
.glow {
  font-size: 40px;
  color: #fff;
  text-align: center;
  -webkit-animation: glow 1s ease-in-out infinite alternate;
  -moz-animation: glow 1s ease-in-out infinite alternate;
  animation: glow 1s ease-in-out infinite alternate;
}
.smallglow
 {
  font-size: 20px;
  color: #fff;
  text-align: center;
  -webkit-animation: glow 1s ease-in-out infinite alternate;
  -moz-animation: glow 1s ease-in-out infinite alternate;
  animation: glow 1s ease-in-out infinite alternate;
}

@-webkit-keyframes glow {
  from {
    text-shadow: 0 0 10px #fff, 0 0 20px #fff, 0 0 30px #e60073, 0 0 40px #e60073, 0 0 50px #e60073, 0 0 60px #e60073, 0 0 70px #e60073;
  }
  
  to {
    text-shadow: 0 0 20px #fff, 0 0 30px #ff4da6, 0 0 40px #ff4da6, 0 0 50px #ff4da6, 0 0 60px #ff4da6, 0 0 70px #ff4da6, 0 0 80px #ff4da6;
  }
}*/
.wrapper {
          text-align: center;
          position: relative;
          width: 80%;
          margin-top:10px;
          margin: 10px auto;
          background-color: grey;
          border: thick solid green;
          font-family: sans-serif;
          font-size: 16px;
          color: limegreen;
          
        }
.card {
        box-shadow: 8px 4px 8px 0 rgba(0, 0, 0, 0.2);
        padding-left: 5px;
        padding-right: 5px;
        padding-top:5px;
        padding-bottom:5px;
        text-align: center;
        background-color: #866767;
        border: thin 5px, solid rgb(157, 157, 170);
        border-radius: 10px;
        border-width: 5px;
}
/* Float four columns side by side */
.column {
  float: left;
  width: 33%;
  padding: 0 10px;
}

/* Remove extra left and right margins, due to padding */
.row {margin: 0 -5px;}

/* Clear floats after the columns */
.row:after {
  content: "";
  display: table;
  clear: both;
}

.main {
 text-align: center;
padding-left: 8px;
padding-right: 8px;
          position: relative;
           width: 60%;   
          margin-top:10px;
          margin: 10px auto;
          background-color: grey;
          border: thick solid green;
          font-family: sans-serif;
          font-size: 16px;
          color: limegreen;}