body {
    background-color: #eee;
}

.bg_transperent {
    background-color: rgba(0, 0, 0, .5);
}

.popUpUI {
    position: absolute;
    width: 33%;
    min-width: 400px;
    z-index: 10;
    top: 10%;
    left: 0;
    right: 0;
    margin: auto;
}

/* Rules for sizing the icon. */
.material-icons.md-18 {
    font-size: 18px;
}

.material-icons.md-24 {
    font-size: 24px;
}

.material-icons.md-36 {
    font-size: 36px;
}

.material-icons.md-48 {
    font-size: 48px;
}

/* Rules for using icons as black on a light background. */
.material-icons.md-dark {
    color: rgba(0, 0, 0, 0.54);
}

.material-icons.md-dark.md-inactive {
    color: rgba(0, 0, 0, 0.26);
}

/* Rules for using icons as white on a dark background. */
.material-icons.md-light {
    color: rgba(255, 255, 255, 1);
}

.material-icons.md-light.md-inactive {
    color: rgba(255, 255, 255, 0.3);
}