.youknow, .youknow2 {
    border-top: 5px solid #00244d;
    border-left: 5px solid #00244d;
    border-bottom: 5px solid #00244d;
    border-right: 5px solid #001226;
    padding: 10px;
    margin: 10px;
    background: linear-gradient(#023166, #001F43);
    max-width: 400px;
    position: fixed;
    padding-bottom:35px;
    overflow-x:auto;
    max-height:600px;
    }
.youknow2 {
  margin-top:320px;
}
    @media only screen and (max-width: 1960px) {
      main {
        margin-top:15px;
    }
      .youknow, .youknow2 {
        position:initial;
        margin-left:auto;
        margin-right:auto;
        max-width:650px;
        margin-top:initial;
      }
    }
    
        .spoiler{
  background: black;
  color: transparent;
  user-select: none;
}

.spoiler:hover{
  background: #001f43;
  color: inherit;