.parent {
    max-width: 620px;
    margin-left: 1%;
    margin-right: 1%;
    height: 384px;
    left: 0;
    right: 0;
    margin: auto;
    overflow: hidden;
    position: absolute;
    border-radius: 16px;
    -webkit-box-shadow: 0 0 88px 5px rgba(0, 0, 0, .75);
    -moz-box-shadow: 0 0 88px 5px rgba(0, 0, 0, .75);
    box-shadow: 0 0 88px 5px rgba(0, 0, 0, .75)
}



button:focus {
    outline-width: 0
}

circle {
    stroke: #fff;
    fill: none;
    transition: .3s
}

#svg1 circle {
    transition-timing-function: linear
}

#svg2 circle {
    transition-timing-function: linear
}

#Capa_1 {
    position: absolute;
    width: 16px;
    height: 16px;
    transform: translate(-7px, -8px)
}

#Capa_2 {
    position: absolute;
    width: 16px;
    height: 16px;
    transform: translate(-9px, -8px)
}

.right {
    margin-left: 93%;
    margin-top: 30%;
    border: 1px solid #849494;
    background-color: transparent;
    transition: .5s
}

.right:hover {
    background-color: #fff
}

.left {
    margin-left: .5%;
    margin-top: 30%;
    border: 1px solid #849494;
    background-color: transparent;
    transition: .5s
}

.left:hover {
    background-color: #fff
}

.circle1 {
    transition-delay: .05s
}

.circle2 {
    transition-delay: .1s
}

.circle3 {
    transition-delay: .15s
}

.circle4 {
    transition-delay: .2s
}

.circle5 {
    transition-delay: .25s
}

.circle6 {
    transition-delay: .3s
}

.circle7 {
    transition-delay: .35s
}

.circle8 {
    transition-delay: .4s
}

.circle9 {
    transition-delay: .45s
}

.circle10 {
    transition-delay: .05s
}

.circle11 {
    transition-delay: .1s
}

.circle12 {
    transition-delay: .15s
}

.circle13 {
    transition-delay: .2s
}

.circle14 {
    transition-delay: .25s
}

.circle15 {
    transition-delay: .3s
}

.circle16 {
    transition-delay: .35s
}

.circle17 {
    transition-delay: .4s
}

.circle18 {
    transition-delay: .45s
}

.slide1 {
    background-image: url(https://ngocrongonline.com/images/screen/1-1.png)
}

.slide2 {
    background-image: url(https://ngocrongonline.com/images/screen/1-2.png)
}

.slide3 {
    background-image: url(https://ngocrongonline.com/images/screen/1-3.png)
}

.slider {
    position: absolute;
    width: 100%;
    height: 100%;
    background: #000;
    display: inline-flex;
    overflow: hidden
}

.slide1, .slide2, .slide3, .slide4 {
    position: absolute;
    background-position: center;
    background-size: cover;
    color: #000;
    font-size: 20px;
    padding-top: 10%;
    font-weight: 800;
    font-family: heebo, sans-serif;
    text-align: center;
    width: 100%;
    height: 100%;
    z-index: 10;
    transition: 1.4s
}

.tran {
    transform: scale(1.3)
}

.up1 {
    z-index: 20
}

.up2 {
    z-index: 40
}

.steap {
    stroke-width: 0
}

.streak {
    stroke-width: 82px
}

@media (max-width: 636px) {
    .parent {
        margin-left: 1%;
        margin-right: 1%
    }
}

@media (max-width: 500px) {
    .right {
        margin-left: 89% !important
    }
}

.text-center {
    text-align: center
}

.carousel-2 {
    padding: 1%;
    background: #000;
    border-radius: 50%;
    color: #fff !important
}

.active-2 {
    color: #000 !important;
    background: #fff !important
}