@media screen and (max-width:450px) {
    .notice {
        margin: 40% auto;
        width: 90%;
        background-color: white;
        border-radius: 8px;
    }

    body {
        background-color: #ccc;
    }

    .title {
        font-weight: bold;
        border-bottom: 1px solid #CCC;
        text-align: center;
        line-height: 50px;
        font-size: 20px;
    }

    .notice-context {
        padding-top: 20px;
    }
}

@media screen and (min-width:450px) and (max-width:1300px) {
    .notice {
        margin: 20% auto;
        width: 400px;
        background-color: white;
        border-radius: 8px;
    }

    body {
        background-color: #ccc;
    }

    .title {
        font-weight: bold;
        border-bottom: 1px solid #CCC;
        text-align: center;
        line-height: 50px;
        font-size: 20px;
    }
    .notice-context {
        padding-top: 20px;
    }
}

@media screen and (min-width:1300px) {
    .notice {
        margin: 19% auto;
        width: 400px;
        background-color: white;
        border-radius: 8px;
    }

    body {
        background-color: #ccc;
    }

    .title {
        font-weight: bold;
        border-bottom: 1px solid #CCC;
        text-align: center;
        line-height: 50px;
        font-size: 20px;
    }

    .notice-context{
        padding-top:20px;
    }
}