body {
   background: #E6E6FA;
   font-family: Helvetica;
}

header {
   text-align: center;
   padding: 30px;
}

.container-home {
   display: flex;
   justify-content: center;
   align-items: center;
}
.container-home a {
   font-size: 300%;
   padding: 0 30px;
   margin: 20px;
   width: 150px;
   color: #2F4F4F;
}
.container-home a:hover {
   color:#afcfcf;
   img{
      border-radius: 10%;
}}
.container-home img{
   border-radius: 50%;
}


.navbar {
   display: flex;
   background-color: #2F4F4F;
}
 .navbar a {
   color: white;
   padding: 15px 20px;
   text-align: center;
}
.navbar a:hover {
   background-color: #E6E6FA;
   color: black;
}

.row {
   display: flex;
   padding: 20px;
}
.side {
   flex: 40%;
   padding: 20px;
}
.main {
   flex: 60%;
   padding: 20px;
}
.main video {
    max-width: 100%;
    height: auto;
    /* Maintain aspect ratio */
    flex: 1 1 auto;
    /* Allow images to grow and shrink */
    object-fit: cover;
}


.container-main {
   position: relative;
   display: none;
   max-width: 600px;
}
.container-main img{
   width: 700px;
   padding: 8px 0;
}
.container-main a{
   position: absolute;
   top: 10px;
   left: 10px;
   color: black;
   cursor: pointer;
}
.closebtn {
  position: absolute;
  top: 10px;
  left: 650px;
  color: black;
  font-size: 35px;
  cursor: pointer;
}

.container-column {
  display: flex;
  flex-wrap: wrap;
  padding: 0 4px;
}
.column {
   flex: 20%;
   max-width: 33%;
   padding: 0 4px;
}
.column img {
   margin-top: 8px;
   vertical-align: middle;
   width:100%;
}
.column img:hover {
   border-radius: 5px;
   cursor: pointer;
   transition: 0.3s;
   opacity: 0.7;
}
@media screen and (max-width: 800px) {
  .column {
    flex: 45%;
    max-width: 50%;
  }
}
@media screen and (max-width: 400px) {
  .column {
    flex: 100%;
    max-width: 100%;
  }
}

.footer {
   padding: 10px;
   background-color: #2F4F4F;
   position: fixed;
   bottom: 0;
   left:0;
   width:100%;
}


h1 {
   color: #2F4F4F;
   font-size: 600%;
}
h2 {
   color: #2F4F4F;
   font-size: 300%;
}
h3 {
   color: #2F4F4F;
   font-size: 200%;
}
summary {
   padding: 5px;
   background-color: #2F4F4F;
   color: white;
   display: flex;
   cursor: pointer;
} 

img {
   float:left;
}