.idr_btn {
    border: 0 none;
    height: 30px;
    padding: 0;
    width: 30px;
    background-color: transparent;
    display: inline-block;
    margin: 7px 5px 0;
    vertical-align: top;
    cursor: pointer;
}

.page {
    box-shadow: 1px 1px 4px rgba(120, 120, 120, 0.5);
}

#controls {
    height: 44px;
    line-height: 44px;
    position: relative;
    text-align: center;
    top: 0;
    left: 0;
    right: 0;
    transition: 0.3s ease 0s;
}
#controls-left {
    display: inline-block;
    left: 0;
    position: absolute;
}
#controls-center {
    display: inline-block;
}
#controls-right {
    display: inline-block;
    right: 0;
    position: absolute;
}

#btnPage {
    font-family: Arial, sans-serif;
    width: 40px;
}
#title {
    font-family: Arial, sans-serif;
    margin-left: 15px;
    font-weight: bold;
}

.light-theme #idrviewer {
    background: #fafafa none repeat scroll 0 0;
}
.light-theme #controls {
    background: #9eacba none repeat scroll 0 0;
    border-bottom: 1px solid #7b8793;
}
.light-theme #title,
.light-theme #btnPage,
.light-theme .idr_btn{
    color: white;
    text-shadow: 0 0 1px #595959;
}
.light-theme .idr_btn:hover {
    opacity: 0.6;
}
.light-theme .idr_btn.disabled {
    opacity: 0.4;
}

.dark-theme #idrviewer {
    background: #666 none repeat scroll 0 0;
}
.dark-theme #controls {
    background: #444 none repeat scroll 0 0;
    border-bottom: 1px solid #000;
}
.dark-theme #title,
.dark-theme #btnPage {
    color: white;
    opacity: 0.8;
}
.dark-theme .idr_btn {
    opacity: 0.7;
    color: white;
}
.dark-theme .idr_btn:hover {
    opacity: 0.95;
}

.dark-theme .idr_btn.disabled {
    opacity: 0.2;
}

@media screen and (max-width: 480px) {
    #title {
        display: none;
    }
}

#idrviewer {
    bottom: 0;
    left: 0;
    right: 0;
    position: absolute;
    top: 0px;

}