.box-support-online {
    position: fixed;
    z-index: 9;
    right: 5px;
    bottom: 0;
    width: 65px;
}

.box-support-online .box-text {
    position: absolute;

    bottom: -17px;
    background: url(../images/hotline/bg.png) no-repeat 0 0;
    height: 109px;
    width: 230px;
    font-weight: 500;
    font-size: 16px;
    line-height: 161.19%;
    text-align: center;
    color: #303030;
    -webkit-transition: all 0.5s ease 0s;
    transition: all 0.5s ease 0s;
    -o-transition: all 0.5s ease 0s;
    opacity: 0;
    padding-top: 35px;
    left: 400px;
}

.box-support-online:hover .box-text {
    opacity: 1;
    display: block;
    left: -225px;
}

.box-support-online .box-text p {
    margin: 0;
    font-weight: normal;
    font-size: 10px;
    line-height: 161.19%;
}

.box-support-online .icon-b {
    width: 65px;
    height: 65px;
    display: inline-block;
    box-shadow: 0px 4px 30px rgba(19, 28, 25, 0.1);
    position: relative;
    z-index: 2;
    background: url(../images/hotline/alarm.png) no-repeat 0 0;
    border-radius: 50%;
    -moz-border-radius: 50%;
    -webkit-border-radius: 50%;
    cursor: pointer;
}

.box-support-online .bg-support-online {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    bottom: 0;
    z-index: 1;
    display: none;
    background: #000000;
    opacity: 0.7;
}

.box-support-online .box-list {
    position: absolute;
    right: 0;
    width: 100%;
    z-index: 1;
    height: 0;
    top: 0;
    opacity: 0;
    -webkit-transition: all 0.5s ease 0s;
    transition: all 0.5s ease 0s;
    -o-transition: all 0.5s ease 0s;

}

.box-support-online .box-list .item {
    width: 100%;
    display: inline-block;
    cursor: pointer;
    height: 65px;
    box-shadow: 0px 4px 30px rgba(19, 28, 25, 0.1);
    border-radius: 50%;
    -moz-border-radius: 50%;
    -webkit-border-radius: 50%;
    margin-bottom: 17px;
}

.box-support-online .box-list .item a {
    color: #333333;
}

.box-support-online .icon-call {
    background: url(../images/hotline/phone.svg) no-repeat center center #fff;
}

.box-support-online .icon-fb {
    background: url(../images/hotline/messenger.svg) no-repeat center center #fff;
}

.box-support-online .icon-zalo {
    background: url(../images/hotline/zalo.png) no-repeat center center #fff;
}

.box-support-online .icon-mail {
    background: url(../images/hotline/mail.svg) no-repeat center center #fff;
}

.box-support-online .icon-top {
    background: url(../images/hotline/backtop.svg) no-repeat center center #fff;
}

.box-support-online .icon-mail:before {
    display: none;
}

@media only screen and (max-width: 900px) {
    .box-support-online .box-list {
        position: absolute;
        right: 0;
        width: 100%;
        z-index: 1;
        height: 0;
        top: 0;
        opacity: 0;
    }

    .box-support-online.show .box-list {
        top: -430px;
        height: 430px;
        opacity: 1;
    }

    .box-support-online.show .icon-b {
        background: url(../images/hotline/alarm-hover.png) no-repeat 0 0;
    }
}

@media only screen and (min-width: 900px) {
    .box-support-online:hover .box-list {
        top: -430px;
        height: 430px;
        opacity: 1;
    }

    .box-support-online:hover .icon-b {
        background: url(../images/hotline/alarm-hover.png) no-repeat 0 0;
    }

    .box-support-online .icon-call {
        background: url(../images/hotline/phone.png) no-repeat center center #fff;
    }

    .box-support-online .icon-fb {
        background: url(../images/hotline/messenger.png) no-repeat center center #fff;
    }

    .box-support-online .icon-zalo {
        background: url(../images/hotline/zalo.png) no-repeat center center #fff;
    }

    .box-support-online .icon-mail {
        background: url(../images/hotline/mail.png) no-repeat center center #fff;
    }

    .box-support-online .icon-top {
        background: url(../images/hotline/backtop.png) no-repeat center center #fff;
    }

}