.tf-video-popup {
    display: flex;
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    position: relative;
}
.tf-video-popup .wrap-icon,
.tf-video-popup .video-icon {
    display: flex;
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 1;
}


/* animation */
@keyframes glowing {
    0% {
        background-position: 0 0;
    }
    50% {
        background-position: 400% 0;
    }
    100% {
        background-position: 0 0;
    }
}
.tf_ani-linear-gradient:before {
    content: "";
    background: linear-gradient(
        45deg,
        #ff0000,
        #ff7300,
        #fffb00,
        #48ff00,
        #00ffd5,
        #002bff,
        #7a00ff,
        #ff00c8,
        #ff0000
    );
    position: absolute;
    top: -2px;
    left: -2px;
    background-size: 400%;
    z-index: -1;
    filter: blur(5px);
    width: calc(100% + 4px);
    height: calc(100% + 4px);
    animation: glowing 20s linear infinite;
    transition: opacity 0.3s ease-in-out;
    border-radius: 10px;
}
.tf_ani-linear-gradient:after {
    z-index: -1;
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: inherit;
    left: 0;
    top: 0;
}

.tf_ani-pulsebox-1 {
    cursor: pointer;
    animation: pulse_two 2s infinite;
}

@keyframes pulse_two {
    0% {
    -moz-box-shadow: 0 0 0 0 rgba(255, 255, 255, .7);
    box-shadow: 0 0 0 0 rgba(255, 255, 255, .7);
}
70% {
    -moz-box-shadow: 0 0 0 30px rgba(255, 255, 255, 0);
    box-shadow: 0 0 0 30px rgba(255, 255, 255, 0);
}
100% {
    -moz-box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
}
}
