* {
  box-sizing: border-box;
}

.menu {
  float: left;
  width: 20%;
  text-align: center;
}

.menu a {
    background-color: #e5e5e5;
    padding: 8px;
    margin-top: 7px;
    display: block;
    width: 100%;
    color: black;
}

.main {
    float: left;
    width: 60%;
    padding: 0 20px;
}

.panel {
    background-color: #FFFFFF;
    color: #000000;
    float: left;
    width: 30%;
    padding: 14px;
    margin: 7px;
    text-align: center; 
}

@media only screen and (max-width: 800px) {
  /* For mobile phones: */
  .menu, .main, .panel {
    width: 97%;
  }
}


body {
    font-family:Verdana;
    color:#aaaaaa;
    background: #000000;
}

.boxtop {text-align: center; margin-top: 0px; border:1px #333333 dotted;}
.boxbas {text-align: center; margin-top: 40px; border:1px #333333 dotted;}