body {
  background-image:  url("../media/javascript.jpg");
  background-repeat: no-repeat;
  background-size: cover;   
  background-attachment: fixed;
  font-family: 'Michroma', sans-serif;
}


.button{
  position: right;
  color: rgb(255, 255, 255);
  text-shadow:  2px 2px 5px rgb(0, 0, 0); 
}

.button-overlay{
  color: rgb(255, 255, 255);
}

.overlay {
  height: 0%;
  width: 100%;
  position: fixed;
  z-index: 1;
  top: 0;
  left: 0;
  background-color: rgba(255, 255, 255, 0.5);
  background-image: radial-gradient(rgb(255, 255, 255), rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0));
  overflow-y: hidden;
  transition: 0.5s;
}

.overlay-content {
  position: relative;
  top: 25%;
  width: 100%;
  text-align: center;
  margin-top: 30px;
}

.overlay a {
  padding: 8px;
  text-decoration: none;
  font-size: 36px;
  color: #ff0000;
  display: block;
  transition: 0.3s;
}

.overlay a:hover, .overlay a:focus {
  font-size: 50px;
}

.overlay .closebtn {
  position: absolute;
  top: 20px;
  right: 45px;
  font-size: 60px;
}

@media screen and (max-height: 450px) {
  .overlay {overflow-y: auto;}
  .overlay a {font-size: 20px}
  .overlay .closebtn {
  font-size: 40px;
  top: 15px;
  right: 35px;
  }
}

    .column {
      float: left;
      width: 30%;
      padding: 20px;
    }
    
    .row:after {
      content: "";
      display: table;
      clear: both;
    }
     
    @media screen and (max-width:600px) {
      .column {
        width: 100%;
      }
    }

    .collapsible {
      border-radius: 50px 50px 0px 0px ;
      background-color: rgb(184, 184, 184);
      cursor: pointer;
      width: 100%;
      border: none;
      text-align: center;
      outline: none;
      padding-top: 10px;
      padding-bottom: 10px;
    }
    
    .active .collapsible:hover {
      background-color: rgb(71, 71, 71);
    }
    
    .content { 
      border-width: 5px;
      border-left-style: outset;
      border-right-style: outset;
      
      margin-left: 10%;
      margin-right: 10%;    
      padding-left: 10px;
      padding-right: 10px ;
      max-height: 0;

      overflow: hidden;
      transition: max-height 0.2s ease-out;
      background-color: #4e4e4e;
    }
    .collapsible.end{
      border-radius: 0px 0px 50px 50px;
      background-color: rgb(184, 184, 184);
    }

    .projects{
      margin: 10px;
    }