ul.content-blocks{
    padding: 0;
    margin: 0;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

ul.content-blocks > *{
    flex-basis: calc( 100% / 2 - 3.5%);
    position: relative;
    text-align: right;
    margin-bottom: 3.5%;
    margin-top: 3.5%;
}

ul.content-blocks > li > a{
    height: 250px;
    display: block;
    padding: 30px;
}

.title-block{
    margin: 0;
    display: inline-block;
    padding: 10px 20px;
    background-color: #6b39fa;
    color: white;
    font-weight: 300;
    min-width: 240px;
    text-align: center;
    position: absolute;
    right: 0;
    top: 0;
}

.loop-block .additional-info{
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    line-height: 1.5;
    opacity: 0;
    transition: 0.2s;
}

.loop-block:hover .additional-info{
    opacity: 1;
}

.loop-block .additional-info,
.loop-block .additional-info:after{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.loop-block .additional-info:after{
    content: "";
    background-color: #6b39fa;
    opacity: 0.7;
}

.loop-block .additional-info > *{
    position: relative;
    z-index: 1;
}

.show-address .additional-info {
    opacity: 1;
}