:root{
--speed: 5;
/* define variable like this using -- */
}
.machine{
background-color: peru;
border: dashed brown 3px;
height: 300px;
width: 900px;
margin: 50px;
z-index: 5;
display: flex;
}
#inpSpeed{
font-size: 30pt;
margin-left: 30px;
width: 95px;
margin: 25px;
text-align: center;
color: rgb(6, 6, 29);
background-color: blanchedalmond;
}
.slot{
height: 250px;
width: 250px;
margin: 20px;
overflow: hidden;
z-index: 1;
background-color: beige;
border: solid rgb(3, 11, 49) 3px;
text-align: center;
font-size: 90pt;
line-height: 250px;
}
.slot > .value{
z-index: 3;
animation-name: slotspin;
animation-iteration-count: infinite;
animation-duration: calc(1s/ var(--speed));
}
@keyframes slotspin{
0%{
transform: translateY(-200px);
}
100%{
transform: translateY(200px);
}
}
.controllers{
background-color: rgb(124, 143, 72);
border: solid rgb(79, 79, 83) 8px;
display: flex;
align-items: center;
align-content: space-between;
justify-content: center;
width: 900px;
margin:30px;
}
#btnStop{
font-size: 30pt;
margin:50px;
background-color: rgb(141, 15, 40);
}
#btnStart{
font-size: 30pt;
margin:50px;
background-image: radial-gradient(rgb(44, 158, 167));
background-color: rgb(129, 182, 184);
}
.output{
background-color:rgb(0, 0, 0);
border: solid rgb(90, 87, 87) 8px;
display: flex;
font-size: 30pt;
font-family:'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
padding:2pt;
align-items: center;
align-content: space-between;
justify-content: center;
width: 900px;
margin-top:10px;
margin-left:30px;
color: rgb(255, 255, 255);
}