/* vizual stanky */

@import url("https://fonts.googleapis.com/css?family=Montserrat:300,400,700,800&subset=latin-ext");
body {
  margin: 0;
  color: #000;
  padding: 0;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
  font-family: 'Montserrat', sans-serif;
  background: linear-gradient(to bottom, rgba(179, 209, 246, 1) 0%, rgba(0, 0, 0, 0) 100% );
}

button {
  padding: 20px;
  border: none;
  margin-bottom: 20px;
  background-image: linear-gradient(135deg, #2870c9 0%, #5397eb 100%);
  color: #fff;
  text-align: center;
/*  text-transform: uppercase;*/
  font-size:16px;
  letter-spacing: 0.8px;
  cursor: pointer;
  box-shadow: 0px 15px 10px -10px rgba(0,0,0,0.1);
  transition: all 200ms cubic-bezier(0.25, 0.39, 0.39, 2.01);
  -moz-border-radius:3px; -webkit-border-radius: 3px; border-radius: 3px; 
}

button:hover {
  transform: scale(1.05);
  box-shadow: 0px 25px 15px -15px rgba(0,0,0,0.2);
}

.viteze {-moz-border-radius:6px; -webkit-border-radius: 6px; border-radius: 6px; background:#FFF; padding: 20px; margin: 10px auto; max-width: 90%;}
.logo { width:300px; height:auto;}

.number-square__numbers button {background-image: linear-gradient(180deg, #cacaca 0%, #f8f8f8 100%); margin:0; color:#000; border:#aeaeae solid 1px;}

/* stalovani testu */
.number-square {
    background: #FFF;
    position: relative;
    width: 20em; margin:1em auto; padding:1em;
}

.number-square__numbers {
    aspect-ratio: 1/1;
    display: grid;
    gap: .1em;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    width: 100%;
	margin-bottom:2em;
    height: 20em; /* starý ff neumí aspect ratio */
}

.number-square[data-cols="4"] .number-square__numbers {
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(4, 1fr);
}

.number-square[data-cols="5"] .number-square__numbers {
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: repeat(5, 1fr);
}

.number-square__result {
    background: #FFF;
    height: 92%;
	padding: 1em 4%;
    left: 0;
    position: absolute;
    text-align: center;
    top: 0;
    width: 100%;
}