.preview-table th {
    min-width: 4em;
}
.ss_seminar_preview_table tr {
    border-bottom: 3px solid white;
}
.text-bg {
    margin: 1em auto;
    font-weight: bold;
    font-size: 15px;
    line-height: 2.8;
    text-align: center;
    background-color: lightskyblue;
}

.header.header-bottom {
    margin-bottom: 0;
}
.header.header-bottom h1 {
    font-weight: normal;
    letter-spacing: 0.15rem;
}
.header.header-bottom .header-h1-sub {
    font-weight: normal;
    letter-spacing: normal;
}

@media (width > 767px) {
    .kv {
        width: 850px;
        margin: 0 auto 20px;
    }

    .ss_form .input-bg {
        width: 780px;
        margin-bottom: 20px;
    }

    .entry-lead {
        width: 800px;
        margin: 0 auto 30px;
    }

    .text-bg {
        width: 880px;
    }

    .header.header-bottom .header-h1-sub {
        font-size: 24px;
    }
}

.input-button .button {
    width: 260px;
}
.entry-lead + .input-button {
    padding-top: 0;
}
@media (width > 767px) {
    .input-button .button {
        width: 360px;
    }
    .entry-lead + .input-button {
        padding: 0;
    }
}