.section-header {
    position: relative;
    z-index: 10;
    max-width: 730px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 45px;
    text-align: center;
}

.text-number::before {
    content: counter(myCounter)"1.";
    top: 0;
    left: 50%;
    -webkit-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    transform: translateX(-50%);
    opacity: .14;
    font-size: 110px;
    line-height: 1em;
    color: #46AADC;
    font-weight: 600;
}

.text-number::before {
    content: counter(myCounter)"1.";
    position: absolute;
    top: 0;
    left: 50%;
    -webkit-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    transform: translateX(-50%);
    opacity: .14;
    font-size: 110px;
    line-height: 1em;
    color: #46AADC;
    font-weight: 600;
}

.text-number1::before {
    content: counter(myCounter)"1.";
}

.text-number2::before {
    content: counter(myCounter)"2.";
}

.text-number3::before {
    content: counter(myCounter)"3.";
}

.text-number4::before {
    content: counter(myCounter)"4.";
}

.section-bg-img {
    background-image: url(../img/png/classmates-working-together.jpg);
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
    height: 80vh;
    margin-top: 100px;
}
@media only screen and (max-width:992px) {
    .section-bg-img {
        height: 100%;
    }
}
.card-ch {
    display: block;
    width: 100%;
    max-width: 194px;
    min-height: 170px;
    margin-bottom: 30px;
    margin-left: auto;
    margin-right: auto;
    padding: 25px 15px;
    background: #fff;
    -webkit-box-shadow: 0px 14px 22px rgb(42 135 158 / 14%);
    box-shadow: 0px 14px 22px rgb(42 135 158 / 14%);
    -webkit-border-radius: 12px;
    border-radius: 12px;
}

.number {
    position: absolute;
    top: 50%;
    left: 50%;
    font-size: 60px;
    line-height: 1em;
    color: #46AADC;
    -webkit-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}


/* box */
.box-circle {
    position: relative;
    width: 170px;
    height: 170px;
    -webkit-border-radius: 50%;
    border-radius: 50%;
    overflow: hidden;
}

.cloud>img {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%)scale(1.5);
    width: 100%;
}
.bg-link {
    background-color: #cccccc80;
    width: 50px;
    height: 50px;
}
.list-style-inside {
    list-style: inside !important;
}
@keyframes tilt-n-move-shaking {
    0% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(5px, 5px) rotate(5deg); }
    50% { transform: translate(0, 0) rotate(0eg); }
    75% { transform: translate(-5px, 5px) rotate(-5deg); }
    100% { transform: translate(0, 0) rotate(0deg); }
  }
.shaker:hover {
    animation: tilt-n-move-shaking 0.5s infinite;
}