md-timepicker.css

/* To ensure your styling works under the Shadow DOM polyfill, see
   www.polymer-project.org/docs/polymer/styling.html#directives */

:host {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

#card {
    height: 400px;
    width: 250px;
    margin: 20px auto;
    font-family: 'RobotoDraft', 'Helvetica Neue', Helvetica, sans-serif;
    color: rgba(0,0,0,0.54);
    background-color: white;
}
#display {
    box-sizing: border-box;
    height: 120px;
    padding: 24px;
    color: white;
    font-size: 46px;
    font-weight: 100;
}
#display .digit{
    padding: 5px;
    -webkit-transition: .5s cubic-bezier(1,-1.2,0.2,2);
    -moz-transition: .5s cubic-bezier(1,-1.2,0.2,2);
    -o-transition: .5s cubic-bezier(1,-1.2,0.2,2);
    transition: .5s cubic-bezier(1,-1.2,0.2,2);
}
#display .digit[active]{
    -webkit-transform: scale(1.2);
    -moz-transform: scale(1.2);
    -o-transform: scale(1.2);
    -ms-transform: scale(1.2);
    transform: scale(1.2);
}
#keypad{
    box-sizing: border-box;
    font-size: 42px;
    font-weight: 300;
}
#keypad .digit{
    flex: 1 0 63px;
    /* shorthand for
    flex-grow: 1;
    flex-shrink: 0;
    flex-basis: 63px;*/
}
#keypad .digit[disabled]{
    color: rgba(0,0,0,0.12);
}
/* second child because <template></template> comes before */
#keypad .digit:nth-child(2){
    /* we put the 0 at the bottom */
    order: 10;
}
.digit{
    border-radius: 50%;
    position: relative;
    text-align: center;
}
#button_bar{
    font-size: 14px;
}
#done_button{
    color: #4285f4;
}
#done_button,
#clear_button{
    margin: 5px;
}