style.css

#wrapper{
    display: flex;
    justify-content: center;
    align-content: center;
    flex-wrap: wrap;
    padding-top: 60px;
}
.mediawrapper{
    display: inline-block;
    width: 30%;
    margin: 10px auto;
    padding: 5px;
    text-align: center;
    border-bottom: 1px solid #dddddd;
}
.mediawrapper img{
    max-width: 100%;
    height: 250px;
    border-radius: 10px;
}
.imageDescription{
    color: #616161;
    text-align: left;
}
#dropdownlist{
    width: 40%;
    height: 25px;
    background: black;
    left: 2%;
    color: white;
    top: 5%;
    display: inline-block;
    padding: 10px;
}
#dropdownlist select{
    height: 100%;
    width: 50%;
    margin-left: 10px;
}
#totalimages{
    background: red;
    color: white;
    min-width: 200px;
    line-height: 35px;
    padding: 5px;
    float: right;
    text-align: center;
    margin-right: 1%;
}
#loading{
    position: fixed;
    bottom: 0px;
    right: 10px;
    z-index: 2;
}
#loading img{
    width: 50px;
}
#topbar{
    position: fixed;
    top: 0px;
    width: 100%;
}
.content{
    position: relative;
}