#cardGame {
    width: 1000px;
    margin: auto;
}
#menu > span {
    display: inline-block;
    border: 1px solid black;
    font-size: 32px;
    padding: 0px 5px;
    min-width: 180px;
    text-align: right;
}
#menu > span > img {
    position: relative;
    top: 3px;
}
#enemies {
    position: relative;
    height: 120px;
    background-color: #eee;
    overflow: hidden;
}
.enemy {
    position: absolute;
    height: 120px;
    width: 100px;
}
.enemy progress {
    display: inline-block;
    margin-left: 25px;
    width: 50px;
    color: red;
}
#towers {
    position: relative;
    height: 250px;
    background-color: #efe;
    display: flex;
}
.tower,
.no-tower {
    flex: 1;
    font-size: 12px;
    padding: 5px;
}
.tower {
    background: url('img/tower.png') no-repeat bottom;
}
.no-tower button {
    display: block;
    margin: 0.4em auto;
}
#effects {
    position: relative;
    height: 40px;
    background-color: #efe;
    display: flex;
    padding-top: 10px;
}
.effect {
    flex: 1;
    text-align: center;
}