.section.add_this-section {
    z-index: 999999;
    position: fixed;
    bottom: calc(5% + 80px);
    right: 7px;
}
.section.add_this-section ul.add_this {
    list-style: none;
    margin: 0;
    display: inline-flex;
    flex-direction: column;
    gap: 15px;
}
.section.add_this-section ul.add_this li .add_this-inner {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 5px 0 rgb(0 0 0 / 10%);
    position: relative;
    display: block;
}
.section.add_this-section ul.add_this li .add_this-inner > .title {
    font-weight: 300;
    position: absolute;
    top: 4px;
    right: 55px;
    z-index: 9;
    line-height: normal;
    padding: 5px 10px;
    width: auto;
    border-radius: 5px;
    font-size: 11px;
    color: #fff;
    text-align: center;
    white-space: nowrap;
    cursor: pointer;
    background-color: rgba(0, 0, 0, 0.8);
    visibility: hidden;
    opacity: 0;
    transition: all 200ms linear;
}
.section.add_this-section ul.add_this li .add_this-inner:hover > .title {
    visibility: visible;
    opacity: 1;
}
.section.add_this-section ul.add_this li .add_this-inner > .title::after {
    content: "";
    width: 0;
    height: 0;
    border-width: 5px;
    border-style: solid;
    border-color: transparent transparent transparent rgba(0, 0, 0, 0.8);
    position: absolute;
    left: 100%;
    top: 0;
    bottom: 0;
    margin: auto;
    transition: all 200ms linear;
}

.dang_ky_fix {
    position: fixed;
    bottom: 0;
    left: 5px;
    text-align: center;
    background-color: #078844;
    margin-top: 10px;
    color: #000;
    z-index: 9999;
    font-size: 20px;
    text-transform: uppercase;
    padding: 8px 30px;
    font-weight: 700;
    animation-duration: 1s;
    animation-name: tada_keyframe;
    animation-fill-mode: both;
    animation-iteration-count: infinite;
}
@keyframes tada_keyframe {
    0% {
        -webkit-transform: translate(0,0) scale(1,1);
        transform: translate(0,0) scale(1,1);
    }
    10%, 20% {
        -webkit-transform: translate(0,0) scale(.9,.9) rotateZ(-3deg);
        transform: translate(0,0) scale(.9,.9) rotateZ(-3deg);
    }
    30%, 50%, 70%, 90% {
        -webkit-transform: translate(0,0) scale(1.1,1.1) rotateZ(3deg);
        transform: translate(0,0) scale(1.1,1.1) rotateZ(3deg);
    }
    40%, 60%, 80% {
        -webkit-transform: translate(0,0) scale(1.1,1.1) rotateZ(-3deg);
        transform: translate(0,0) scale(1.1,1.1) rotateZ(-3deg);
    }
    100% {
        -webkit-transform: translate(0,0) scale(1,1) rotateZ(0);
        transform: translate(0,0) scale(1,1) rotateZ(0);
    }
}
.dang_ky_fix a {
    color: #fff !important;
}
.dang_ky_fix a i {
    padding-right: 5px;
    font-size: 30px;
}