.kefu_button {
    position: fixed;
    bottom: 120px !important;
    right: 50px;
    width: 50px;
    height: 50px;
    display: block;
    z-index: 1000;
    background: url(../img/buoy/1.png) no-repeat;
    background-size: 100% 100%;
    animation: pulse 2s infinite;
    border-radius: 50%;
    cursor: pointer;
}

@-webkit-keyframes pulse {
    0% {
        -webkit-box-shadow: 0 0 0 0 rgba(13, 130, 255, 0.4);
    }
    70% {
        -webkit-box-shadow: 0 0 0 10px rgba(13, 130, 255, 0);
    }
    100% {
        -webkit-box-shadow: 0 0 0 0 rgba(13, 130, 255, 0);
    }
}

@keyframes pulse {
    0% {
        -moz-box-shadow: 0 0 0 0 rgba(13, 130, 255, 0.4);
        box-shadow: 0 0 0 0 rgba(13, 130, 255, 0.4);
    }
    70% {
        -moz-box-shadow: 0 0 0 10px rgba(13, 130, 255, 0);
        box-shadow: 0 0 0 10px rgba(13, 130, 255, 0);
    }
    100% {
        -moz-box-shadow: 0 0 0 0 rgba(13, 130, 255, 0);
        box-shadow: 0 0 0 0 rgba(13, 130, 255, 0);
    }
}

.page-banner-section {
min-height: 260px;
}
@media only screen and (max-width: 1199px) {
  .page-banner-section {
    min-height: 260px;
  }
}

@media only screen and (max-width: 991px) {
  .page-banner-section {
    min-height: 225px;
  }
}

@media only screen and (max-width: 767px) {
  .page-banner-section {
    min-height: 175px;
  }
}