.speaker {
    position: relative;
    overflow: hidden;
    background: url(../img/info.jpg) no-repeat 100% fixed;
    box-shadow: inset 0 20px 40px #adadad50;
}

.speaker h4{
    text-align: center;
    background-image: url(../img/agenda-bc.png), linear-gradient(90deg, #d8f5ff 30%, #e1ffee 70%);
    border-radius: 10px;
    padding: 10px 20px;
    font-size: 28px;
}
.sp-box * {
    text-align: center;
    transition: .1s ease;
}

.sp-box {
    position: relative;
    margin-bottom: 1rem;
}

.sp-box a {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.sp-box a:hover~.sp-photo {
    border: 5px solid #8de1ff;
}

.sp-box a:hover~h5 {
    color: var(--main-color);
}

.sp-box p {
    font-size: 16px;
    color: #666666;
    padding: 10px;
}

.sp-photo {
    border: 3px solid #8de1ff;
    border-radius: 15px;
    overflow: hidden;
    max-width: 220px;
    margin: 0 auto;
    box-shadow: 0 3px 6px #9090a050;
}

.sp-photo img {
    display: block;
    width: 100%;
}

.sp-box h5 {
    color: #212121;
    margin: 20px 0 12px;
}

.sp-box p {
    margin: 0;
    line-height: 1.5;
}