.box100{
    /* border-radius: 50%; */
    height: 150px;
    overflow: hidden;
    width: 150px;
    margin: auto;
}

.client_nav .testi_next,
.client_nav .testi_prev {
    cursor: pointer;
    height: 30px;
    left: 0;
    position: absolute;
    top: 50%;
    width: 30px;
    z-index: 2;
    color: #1c9efd;
}

.client_nav .testi_next::before,
.client_nav .testi_prev::before {
    font-size: 30px;
}

.client_nav .testi_next {
    left: auto;
    right: 0;
}

.screen_image {
    left: 50%;
    position: absolute;
    top: 50%;
    -webkit-transform: translate(-50%,-50%);
    transform: translate(-50%,-50%);
    width: 83%;
}

#accordion .panel-title a {
    position: relative;
}

#accordion .panel-title a:after {
    content: "\f153";
    font-family: "Flaticon";
    font-size: 12px;
    position: absolute;
    right: 0;
    top: 50%;
    -webkit-transition: 0.3s;
    transition: 0.3s;
}

#accordion .panel-title a.collapsed:after {
    content: "\f153";
    -webkit-transform: translateY(-50%) rotate(180deg);
    transform: translateY(-50%) rotate(180deg); /* Rotación de 180 grados */
    -webkit-transition: 0.3s;
    transition: 0.3s;
}