#partners-block h3 {
    text-align: left;
    clear: both;
    padding-left: 20px;
    padding-top: 30px;
    margin: 0;
    font-size: 16px;
}
.partners-el:after {
    content:'';
    clear: both;
}
.partners-el .partners-element {
    width: calc(25% - 40px);
    height: 75px;
    margin: 19px;
    padding: 0;
    display: flex;
    transition: 1s;
    float: left;
    align-items: center;
    justify-content: center;
    position: relative;
    /*border: 1px solid #1c7190;*/
    border: 0;
}
.partners-el a {
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    outline: none;
    text-align: center;
    color: #2b2a29;
    font-size: 24px;
    position: absolute;
    top: 10px;
    right: 10px;
    bottom: 10px;
    left: 10px;
    background-image: url(https://forum-onco.ru/upload/iblock/307/3077bc3b35803d2cf5a51b5762c3952e.PNG);
}
.partners-el .partners-element:hover {
    transform: scale(1.1);
}
.partners-el a:hover,
.partners-el a:active,
.partners-el a:focus,
.partners-el a:visited {
    color: #2b2a29;
}
.partners-el a.partners-border {
    border: 1px dotted #e3e3e3;
    margin: 19px;
}
.partners-el a.empty_link.partners-border {
    border: 0;
    white-space: nowrap;
}
.partners-wrap .row-partners-block {
    border-bottom: 1px solid silver;
    margin-bottom: 20px;
}
.partners-wrap .row-partners-block:last-child {
    border-bottom: 0;
    margin-bottom: 0;
}
@media (max-width: 768px){
    .partners-wrap .row-partners-block {
        padding-bottom: 20px;
    }
    .partners-wrap h3 {
        font-size: 28px;
        text-align: center;
    }
    .partners-el .partners-element {
        width: 99%;
        height: 120px;
        margin: 20px auto;
    }
    .partners-el a {

    }
    #partners-block h3 {
        text-align: center;
        border-bottom: 1px solid silver;
        padding: 20px 0 20px 0;
    }
    .partners-el a.partners-border {
        margin: 19px auto;
    }
}