h1 {
    color: #A51;
}

h2 {
    color: #629;
}

h4 {
    color: #FAA;
}

.button,
.button2,
.button3 {
    border: solid 1px; width:300px;  
    cursor:pointer;
}

.button, .button2 {
    background: #33AA33;
}

.button3 {
    background: #FF55ee;
}

.tab {
    background: #00FFBB;
    width: 300px;
    padding: 10px;
    margin: 20px;
    cursor: pointer;
}

#whatever,
#go_on,
#restart {
    float: left;
    margin: 10px;
    padding: 20px;
}

#tiles {
    min-height: 210px;
}

.panel {
    border: solid 1px #00ffbb;
    width: 600px;
    padding: 20px;
}