.site_button {
    width: 161px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #070606;
    border: 1px solid #FFFFFF;
    border-radius: 10px;
    font-size: 16px;
    color: #fff;
    position: relative;
    z-index: 1;
    cursor: pointer;
}

.site_tw_btn {
    display: flex;
}

.site_tw_btn a:nth-child(even) {
    margin-left: 10px;
}

/* 320 */
@media all and (min-width: 20px) and (max-width: 767px) {
    .site_button {
        width: 130px;
        height: 40px;
        font-size: 14px;
    }

    .site_tw_btn a:nth-child(even) {
        margin-left: 5px;
    }
}

@media all and (min-width: 768px) and (max-width: 980px) {
    .site_button {
        width: 145px;
        height: 40px;
    }
}

@media only screen and (min-width: 981px) and (max-width: 1024px) {
    .site_button {
        width: 145px;
        height: 40px;
    }
}

@media all and (min-width: 1025px) and (max-width: 1140px) {
    .site_button {
        width: 145px;
        height: 40px;
    }
}

@media all and (min-width: 1141px) and (max-width: 1280px) {
    .site_button {
        width: 145px;
        height: 40px;
    }
}

@media all and (min-width: 1281px) and (max-width: 1440px) {
    .site_button {
        width: 145px;
        height: 40px;
    }
}

@media all and (min-width: 1441px) and (max-width: 1680px) {}

@media all and (min-width: 1681px) and (max-width: 1880px) {}