.contact-ball {
    position: absolute;
    left: 30px;
    z-index: 996;
    position: absolute;
    top: -80px;
    width: 80px;
    height: 80px;
}
.contact-ball-m {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
}
.contact-ball-inner {
    -webkit-transition: width .3s, height .3s;
    -moz-transition: width .3s, height .3s;
    -o-transition: width .3s, height .3s;
    transition: width .3s, height .3s;
    -ms-transition: width .3s, height .3s;
    text-align: center;
    background: #4997ee;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: block;
}
.contact-ball-icon {
    display: inline-block;
    width: 20px;
    height: 20px;
    font-size: 18px;
}
.contact-ball-text {
    opacity: 0;
    filter: alpha(opacity=0);
    font-size: 17px;
    line-height: 21px;
    display: block;
    color: #fff;
    font-weight: 700;
    padding-top: 20px;
}
.contact-ball:hover .contact-ball-inner {
    width: 80px;
    height: 80px;
}
.contact-ball:hover .contact-ball-icon {
    -webkit-transition: opacity .2s .3s;
    transition: opacity .2s .3s;
    -moz-transition: opacity .2s .3s;
    -o-transition: opacity .2s .3s;
    -ms-transition: opacity .2s .3s;
    opacity: 0;
    filter: alpha(opacity=0);
}
.contact-ball:hover .contact-ball-text {
    -webkit-transition: opacity .3s .2s;
    transition: opacity .3s .2s;
    -moz-transition: opacity .3s .2s;
    -o-transition: opacity .3s .2s;
    -ms-transition: opacity .3s .2s;
    opacity: 1;
    filter: alpha(opacity=100);
}