body{
    --ads-size: 50px;
    --ads-gap: 10px;
    --ads-offset: 20px;
    --ads-offset-hz: 20px;
}
@media (max-width: 1199px){
    --ads-size: 42px;
    --ads-offset: 15px;
    --ads-offset-hz: 15px;
}
@media (max-width: 767px){
    --ads-offset: 10px;
    --ads-offset-hz: 10px;
}
.ictu-social-button{
    position: fixed;
    bottom: calc(var(--ads-offset) + var(--ads-size) + 30px);
    right: var(--ads-offset-hz);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-end;
    gap: 30px;
    z-index: 12;
}
.ictu-social-button .button{
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--ads-size);
    height: var(--ads-size);
    font-weight: 400;
    color: #fff;
    padding: 0 5px;
    text-transform: none;
    background-color: var(--default-color);
    border-radius: var(--main-bora-2);
    transition: transform .3s, margin .3s;
}
.ictu-social-button .button:hover{
    color: var(--main-color-t);
    background-color: var(--main-color);
}
.ictu-social-button .button .text{
    font-size: 12px;
    line-height: 18px;
}
.ictu-social-button .button .icon{
    font-size: 20px;
}
.ictu-social-button .button.dang-ky{
    background-color: #ff1800;
    background-image: linear-gradient(#fff 0, rgba(255, 255, 255, 0) 75%);
    --ads-size: 64px;
}
.ictu-social-button .button.dang-ky:hover{
    background-color: #39B54AFF;
}
@keyframes zoom-out-x {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(0.75);
    }
    100% {
        transform: scale(1);
    }
}
.ictu-social-button .button.zalo .icon:before{
    position: absolute;
    content: '';
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background-image: url('data:image/png;base64,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');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
    border-radius: 50%;
}
.ictu-social-button .button.zalo .text,
.ictu-social-button .button.facebook .text,
.ictu-social-button .button.youtube .text{
    display: none;
}
.ictu-social-button .button.zalo:not(:hover){
    background-color: #245ce2;
}
.ictu-social-button .button.facebook:not(:hover){
    background-color: #1877F2;
}
.ictu-social-button .button.youtube:not(:hover){
    background-color: #cd201f;
}
.ictu-social-button .button:before,
.ictu-social-button .button:after{
    content: '';
    border-radius: inherit;
    position: absolute;
    margin: auto;
    top: -15px;
    right: -15px;
    width: calc(100% + 30px);
    height: calc(100% + 30px);
    background-color: inherit;
    opacity: 0.2;
    animation: zoom-out-x 1.5s ease-out infinite;
    z-index: -1;
}
.ictu-social-button .button:after{
    animation: zoom-out-x 1.5s ease-in 0.05s infinite;
}
@media (max-width: 767px){
    .ictu-social-button{
        bottom: calc(var(--ads-offset) + var(--ads-size) + 20px);
        gap: 20px;
    }
    .ictu-social-button .button .text{
        font-size: 11px;
        line-height: 16px;
    }
    .ictu-social-button .button.dang-ky{
        --ads-size: 56px;
    }
}