.buttonContainer .buttonText, .buttonText {
    position: absolute;
    top: 30%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-weight: 700;
    pointer-events: none
}


#toggleButton{
    position: absolute;
    bottom: 1.6rem;
    left: 3rem;
    width: 3.9rem;
    height: 1.3rem;
    cursor: pointer;
    background-color: transparent;
    background-image: url("../images/denovo-1.gif");
    background-repeat: no-repeat;
    background-size: 110%;
    background-position: 50% 30%;
}

.buttonContainer button {
    position: relative;
    width: 200px;
    height: 100px;
    background: url('../images/kaishi.png') center/cover no-repeat;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center
}

.buttonContainer .buttonText {
    animation: 1s linear infinite blink
}

@keyframes blink {
    0%, 100% {
        color: #fff
    }
    50% {
        color: #00f
    }
}

.buttonText {
    animation: 1s infinite blink
}