.companies {
    display: flex;
    flex-wrap: wrap;
    text-align: center;
}

.companies__company {
    flex: 0 0 25%;
    background-size: auto;
    background-position: top center;
    background-repeat: no-repeat;
}
.companies__company:before {
    content:'';
    float:left;
    padding-top:100%;
}

@media screen and (max-width: 1024px) {
    .companies__company {
    	flex: 1 0 50%;
    }
}

@media screen and (max-width: 768px) {
    .companies__company {
    	flex: 1 0 100%;	    
    }
}

.companies__company--hovered {
    display: flex;
    opacity: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 75, 1, 0.91); 
    transition: opacity 250ms ease-in-out;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    color: white;
    box-sizing: border-box;
    padding: 15px 20px;
}

.companies__company:hover .companies__company--hovered {
    opacity: 1;
    transition: all 250ms ease-in-out;
}

.companies__company__title {
    font-size: 30px;
    font-weight: bold;
    text-align: center;
    padding: 10px 0 30px 0;
}

.companies__company__excerpt {
    font-size: 14px;
    text-align: left;
}

.companies__company__link {
    width: 100%;
    height: 100%;
    display: flex;
}

.companies__company__link:hover {
    color: #515151;
    text-decoration: none;
}