.file-drop-area {
    position: relative;
    padding: 2rem 1rem;
    transition: border-color .15s ease-in-out,box-shadow .15s ease-in-out;
    border: 2px dashed #dae1e7;
    background-color: #fff;
    text-align: center;
    cursor: pointer;
}
.file-drop-area .file-drop-icon {
    display: block;
    margin-bottom: 0.75rem;
    color: #aeb4be;
    font-size: 1.625rem;
}    
.file-drop-area .file-drop-message {
    display: block;
    font-size: .875rem;
    margin-bottom: 1.25rem;
}    
.file-drop-area .file-drop-input {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: transparent;
    opacity: 0;
    outline: none;
    cursor: pointer;
    z-index: 2;
}   
.file-drop-area .btn {
    position: relative;
    z-index: 3;
}    
.file-drop-area .file-drop-preview {
    max-width: 16rem;
    margin-right: auto;
    margin-bottom: 0.75rem;
    margin-left: auto;
} 
img, figure {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}