p {
    margin-bottom: 24px;
    color: gray;
}

.form-group.button{
    text-align: center;
}

#standalone-wrap {
    padding: 20px;
    margin: 0 auto;
    width: 100%;
    min-width: 320px;
    max-width: 430px;
}

#main-wrap{
    width: 100%;
    overflow: auto;
}

h1.announcement {
    font-size: 22px;
    line-height: 28px;
    font-weight: normal;
    color: #303133;
    margin-bottom: 16px;
    text-align: center;
    text-shadow: 1px 1px #fff;
}

@media screen and (-webkit-min-device-pixel-ratio:0) {
    .form-control {
        font-size: 16px;
    }
}

@media (min-width: 768px) {
    .form-control {
        font-size: 14px;
    }
}