:root {
  --font-fam: "Expose", sans-serif;
}

.wcsts {
  margin-top: 3rem;
  margin-bottom: 2rem;
}

.main-box {
  display: flex; 
  justify-content: space-between; 
  margin-top: 3rem;
}

.box {
  position: relative;
  width: 30vw;
}

.image {
  display: block;
  width: 100%;
  height: auto;
}

.overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: #212121;
  opacity: 0.8;
  overflow: hidden;
  width: 100%;
  height: 0;
  transition: .5s ease;
}

.box:hover .overlay {
  height: 100%;
}

.text {
  color: white;
  font-size: 20px;
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  text-align: center;
  font-family: var(--font-fam);
}



/*------------------------ Responsive --------------------------*/

@media (max-width: 700px) {

  .main-box {
    display: flex; 
    flex: 1;
    flex-direction: column;
    margin-top: 3rem;
  }
  
  .box {
    position: relative;
    width: 100vw;
  }
}