#base {
    position: relative;
}

@keyframes shaking {
    from {
        transform: rotate(0deg);
    }

    20% {
        transform: rotate(-3deg);
    }

    40% {
        transform: rotate(0deg);
    }

    60% {
        transform: rotate(3deg);
    }

    80% {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(0deg);
    }
}

#title-1 {
    text-decoration: none;
    border-bottom: black solid 3px;
    padding-bottom: 15px;

    width: 96%;
    margin: auto;

    font-weight: bold;
    text-align: center;
    color: black;
    font-size: 50px;
    padding-top: 5%;
}

#title-1:hover {
    animation: shaking 300ms linear 0s 1;
}

#btn {
    position: relative;
    display: block;
    text-align: center;

    border-radius: 10px;
    border-width: 3px;
    border-style: ridge;
    border-color: rgb(123, 104, 238);

    background-image: linear-gradient(to right, #F0FFF0 0%, #FFDC00 30%, #FFDC00 100%);

    font-size: 30px;
    height: 100px;

    box-shadow: 5px 5px 2px 0 black;
}

@media all and (max-width: 992px) {
    #btn {
        top: 120px;
        left: 3%;
        width: 94%;
    }
}

@media not all and (max-width: 992px) {
    #btn {
        top: 120px;
        left: 25%;
        width: 50%;
        transition:
                transform 1s,
                background-image 1s;
    }

    #btn:hover {
        background-image: linear-gradient(to right, #F0FFF0 0%, #F0FFF0 70%, #FFDC00 100%);
        transform: scale(1.5);
    }
}

#main {
    text-align: center;
}

#title-section {
    height: 50vh;
    width: 50%;
    margin: 10% auto;
    background-color: rgb(255, 255, 255, 20%);
    border-radius: 10px;
}