.up__title {
    background-color: #322337;
    padding: 25px 0;
}
.up__title .title {
    font-size: 2.8rem;
    font-weight: 700;
    color: #fff;
}
#secret-key {
    padding: 13px 10px;
    width: 400px;
    height: 50px;
    font-size: 1.7rem;
    border-radius: 4px;
    border: solid 1px #e0e0e0;
    background-color: #f0f0f0;
}
#secret-submit {
    display: inline-block;
    padding: 12px 30px;
    height: 50px;
    border-radius: 4px;
    background-color: #735687;
    color: #fff;
    font-size: 1.7rem;
    border: none;
    cursor: pointer;
    margin-left: 10px;
}
.secret-content {
    text-align: center;
}

@media screen and (max-width:640px) {
    .up__title {
        text-align: center;
    }
    .up__title .title {
        font-size: 2rem;
    }
    #secret-key {
        width: 100%;
    }
    #secret-submit {
        width: 200px;
        margin: 20px 0 0;
    }
}