html { 
  background: url(winter.jpg) no-repeat center center fixed; 
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}

body {
    text-align: center;
}

h1 {
    font-family: Monoton;
    font-size: 70px;
    margin: 0.2em;
}

#headColor1{
    color: #e91e63;
}

#headColor2{
    color: #2196f3 ;
}

h2 {
    margin: 1em 0 0.25em;
    color: #2196f3;
}

h2:first-of-type {
    margin-top: 0.5em;
}

table,
tr,
td {
    border: 1px solid #e91e63;
}

table {
    border-collapse: collapse;
    margin: 0 auto;
}

tr {
    height: 20px;
}

td {
    width: 20px;
}

input[type=number] {
    width: 6em;
    border-radius: 3px;
}

.button {
    background-color: #e91e63;
    width: 100px;
    border-radius: 5px;
}

.button:hover {background-color: #3e8e41}