* {
  box-sizing: border-box;
}


body {
  font-family: Arial;
  font-size: 100%;
background: #020024;
background: linear-gradient(0deg,rgba(2, 0, 36, 1) 0%, rgba(9, 9, 121, 1) 51%);
color: #000000;
}


.header {
  padding: 30px;
  font-size: 40px;
  font-family:Luminari;
  text-align: center;
  background: linear-gradient(180deg,#ff6600,#6e06f2)
}

.leftcolumn {
   float: left;
  width: 17%;
  padding-right:15px;
}
.centercolumn {
  float: left;
  width: 58%;
  }
.Whitebox{
     background-color: powderblue;
   padding: 20px;
   margin-top: 10px;
    border-radius:1em;
    border:1px solid black;
  }
.rightcolumn{
  float: right;
  width: 25%;
  padding-left: 15px;
  }
.Rightbox{
     background-color: white;
   padding: 20px;
    border:1px solid black;
}

.nav {
  background: linear-gradient(45deg,#ff6600,#6e06f2);
  background-size: cover;
  margin:1px;
  border-style: double;
  border-color: #090979;
  border-width: 1px;
  border-radius:5px;
 display: flex;
  justify-content: center;
  align-items: center;
  font-size: 20px;
  color: #2e9fe0;
  text-decoration: none;
}
.nav:hover {
  background-color: #ffe2f1;
  border-color: #B0726A;
  color: #B0726A;
}
.navbox{
   background-color: powderblue;
   padding: 20px;
   margin-top: 20px;
    border-radius:1em;
    border:1px solid black;
  }
.Decobox{
  background-color: powderblue;
  padding: 15px;
  border-radius:0px 0px 1em 1em;
  text-align: center;
  border:1px solid black;
  border-top:0px;
  }
.overflowTest {
  background: black;
  color: #04AA6D;
  text-align: left;
  padding: 10px;
  width: 100%;
  height: 150px;
  overflow: scroll;
  border: 1px solid black;
  border-radius:5px;
}
/* Footer */
footer {
  clear: both; 
  padding: 20px;
  text-align: center;
  background: black;
  margin-top: 20px;
  color: powderblue;
}
  
  /* Responsive layout - when the screen is less than 800px wide, make the two columns stack on top of each other instead of next to each other */
@media screen and (max-width: 800px) {
  .leftcolumn, .centercolumn, .rightcolumn {   
    width: 100%;
    padding: 0;
    float: none; 
  }
}
.responsive-iframe {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 100%;
}
.post-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  
}