.container {
    max-width: 960px;
}
#control-container {
    background-color: #bbb;
}
#input-group-div {
    height: 30px;
}
#gif-container {
    min-height: 400px;
    background: #eee; /* For browsers that do not support gradients */
    background: linear-gradient(to bottom right, #eee, #aaa); /* Standard syntax (must be last) */
}
.btn-group-xs > .btn, .btn-xs {
    padding  : .25rem .4rem;
    font-size  : .875rem;
    line-height  : .5;
    border-radius : .2rem;
 }
 .image-text {
     margin-bottom: 0;
 }