* {
    box-sizing: border-box;
    margin: 0;
}

body {
    background-color: #5f5f5f;
}

.title {
    font-size: 36px;
    color: #fff;
    text-shadow: 2px 2px 2px #000;
    letter-spacing: 1px;
    user-select: none;
}

.main {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    overflow: hidden;
    min-width: 100vw;
    min-height: 100vh;
}

.score {
    position: absolute;
    left: 10px;
    top: 20px;
    font-size: 30px;
        color: #fff;
    text-shadow: 2px 2px 2px #000;
    letter-spacing: 1px;
    user-select: none;
}
.castle {
    background-image: url(images/house.png);
    width: 600px;
    height: 600px;
    background-repeat: no-repeat;
    background-size: cover;
    border-radius: 10px;
    position: relative;
}

.ghost {
    width: 150px;
    height: 150px;
    background-image: url(images/ghost.gif);
    background-repeat: no-repeat;
    background-size: cover;
    position: absolute;
    cursor: pointer;
}

@keyframes ghostMove {
    0% {
        transform: translate(0, 0);
        opacity: 1;
    }

    100% {
        transform: translate(0, -1000px);
        opacity: 0.1;
    }
}