body {
    position: relative;
    padding-top: 50px;
   background-color: #e4e4e4
}

.hide-bullets {
    list-style: none;
    margin-left: -40px;
    margin-top: 20px;
}

.img-background {
    position: absolute;
    z-index: 0;
    width: 100%;
}

.sink-text {
   background-color: rgba(255, 255, 255, 0.5);
}
.sink-text > h2, .sink-text > p {
    color: rgba(10, 10, 10, 0.9);
}

.sink-container {
    padding-top: 10%;
    padding-bottom: 10%;
    z-index:1;
}
@media (max-width: 990px) {
    .sink-container {
        padding-top: 10px;
        padding-bottom: 10px;
    }
}

#materials-button{
    right: 0;
    top: 150px;
    position: fixed;
    background-color: #e4e4e4;
    cursor: pointer;
    z-index: 3;
}
#sinks-button{
    left: 0;
    top: 150px;
    position: fixed;
    background-color: #e4e4e4;
    cursor: pointer;
    z-index: 3;
}
#materials-container {
    width: 100%;
    position: fixed;
    z-index: 2;
    display: none;
}
.material-content{
   background-color: rgba(255, 255, 255, 0.5);
    margin-right: 10px;
    margin-top: 10px;
    padding: 10px 0 20px 0;
}
.thumbnail-title {
    margin-bottom: 10px;
}
 #flags{
    position: fixed;
    right:15px;
    z-index:4;
  }