body {
    margin: 0;
    padding: 0;
    background: #E6EAEB;
    font-family: Arial, '微软雅黑', '宋体', sans-serif
}

.alert-box {
    margin: 96px auto 0;
    padding: 40px 0 22px;
    max-width: 450px;
    border-radius: 10px 10px 0 0;
    background: #FFF;
    box-shadow: 5px 9px 17px rgba(102, 102, 102, 0.75);
    color: #FFF;
    text-align: center
}


.alert-box p {
    margin: 0
}

.alert-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 35px 0;
}

.alert-head {
    color: #242424;
    font-size: 28px
}

.alert-concent {
    margin: 25px 0 14px;
    color: #7B7B7B;
    font-size: 18px
}

.alert-concent p {
    line-height: 27px
}

.alert-btn {
    display: block;
    margin-bottom: 10px;
    border-radius: 10px;
    background-color: #4AB0F7;
    height: 55px;
    line-height: 55px;
    width: 286px;
    color: #FFF;
    font-size: 20px;
    text-decoration: none;
    letter-spacing: 2px
}

.alert-btn:hover {
    background-color: #6BC2FF
}