.buttoncontainer a,#applybutton {
    display: inline-block;
    text-decoration: none;
    padding: 15px;
    background-color: navy;
    border: 2px solid white;
    color: white;
    margin: 10px;
    width: 200px;
    cursor: pointer;
}

.buttoncontainer {
    display: flex;
    flex-direction: column;
    position: absolute;
   
    top: 30px;
    right: 30px;
}

/* Media query */
@media screen and (max-width: 480px) {
    #matrix {
      display: block;  
    }
    .buttoncontainer {
        display: flex;
        justify-content: space-between;
        margin: 0 auto;
        max-width: 50%;
        text-align: left;
      }
      #container {
        margin: 300px auto;
    }
}

@media screen and (max-width: 960px) {
    #matrix {
        display: block;  
      }
      .buttoncontainer {
        display: flex;
        justify-content: space-between;
        margin: 0 auto;
        max-width: 50%;
        text-align: left;
      }
      #container {
        margin: 300px auto;
    }
}