body {
    background: url(img/mainBackground.jpg) no-repeat center fixed;
    background-size: cover;
}

.buttons {
    position: absolute;
    top: 50%;
    left: 50%;
	transform: translate(-50%, -50%);
}

.buttonDiv {
    margin-top: 2em;
    height: 4em;
    width: 17em;
    background: rgba(0, 0, 0, 0.5);
    padding: 1em;
    border-radius: 1em;
}

h2 {
    color:red;
    font-size: x-large;
    text-align: center;
}

a {
    cursor: pointer;
}

#impresum {
    color:red;
    position: absolute;
    bottom: 0;
    right: 0;
}