@import url('https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,700');
:root {
    --colorBody: #1e4363;
    --colorField: #FCF2CB;
    --copyrightColor: rgb(196, 196, 196, 0.7);
    --primary: #FFB00D;
    --secondary: #FF8926;
    --tertiary: #BC2D19;
}
body {
    font-family: 'Source Sans Pro';
    background-image: url('images/folk-pattern.png');
    background-repeat: repeat;
}
.calc-body {
    text-align: center;
    margin: 50px auto;
    background: var(--colorBody,blue);
    box-shadow: 5px 5px 5px #aaaaaa;
    max-width: 40%;
    padding: 30px;
    border-radius: 20px;
}
.calc-field {
    max-width: 100%;
    padding: 10px;
    min-height: 50px;
    background: var(--colorField, white);
    border-radius: 5px;
}
.calc-field span {
    background: var(--tertiary,red);
    text-align: left;
    border-radius: 5px;
    font-weight: bold;
    color: white;
    cursor: pointer;
    padding: 20px 10px 20px 10px;
}
.calc-symbols {
    display: grid;
    grid-template-columns: 2fr 1fr;
    grid-auto-rows: minmax(300px, auto);
    margin-top: 40px;
}
.numbers {
    padding: 10px;
    background: var(--primary,yellow);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: minmax(20px, auto);
}
.numbers p {
    border-radius: 5px;
    text-align: center;
    height: 40px;
    margin: 10px;
    line-height: 40px;
    padding: 20px;
    font-size: 1.5em;
}
.numbers p:hover {
    cursor: pointer;
    background: var(--secondary, orange);
}
.operations {
    display: grid;
    grid-template-columns: 1fr;
    grid-auto-rows: minmax(20px, auto);
    background: var(--secondary,orange);
}
.operations p {
    padding-top: 20px;
    border-radius: 5px;
    text-align: center;
    margin: 10px;
    font-size: 1.5em;
}
.operations p:hover {
    cursor: pointer;
    background: var(--tertiary, red);
}
#equal {
    background: var(--colorBody, blue);
}
#equal:hover {
    color:white;
}
#copyright-info {
    text-align: center;
    background: var(--copyrightColor,lightgrey);
    padding: 10px;
}
#numText {
    font-size: 1.5em;
    padding: 20px 0px 20px 0px;
    background: none;
    border:none;
    color: var(--tertiary, red);
    box-shadow: none;
    text-align: right;
    min-width: 70%;
}
#numText:focus {
    outline: none;
}