@charset "UTF-8";
/*
background-image: linear-gradient(to bottom, #fcf940, #d8d533, #bbb92c)
*/
*{
    margin: 0px;
    padding: 0px;
    font-family: Arial, Helvetica, sans-serif;
}

:root{
    --font-padrao:Arial, Helvetica, sans-serif;
    --color1: (#FFD700);
    --color2: (#8B8A2E);
    --color3: rgb(15, 22, 27);
    --color4: (#2B333C);
}

body{
    background-image:linear-gradient(to right, black, #111418, #2B333C);
}

header{
    background-image: linear-gradient(to bottom, #FFD700, #ffdc19);
    box-shadow: 5px 7px 20px 1px black;;
    
}

header > h1{
    text-align: center;
    font-size: 4em;
    text-shadow: 2px 2px 2px #d6b600;
}
header > p{
    text-align: center;
}

nav > ul > li{
    list-style-type: none;
    display: inline-block;
    padding: 10px;
    margin-bottom: 10px;
}
nav > ul > li:hover{
    background-color: #ffed88;
    border-radius: 50px;
}

nav > ul > li > a{
    color:black;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    text-decoration: none;
}

main{
    color: white;
    padding-top: 20px;
}
h2.temas{
    color: white;
    text-shadow: 2px 2px 1px rgba(0, 0, 0, 0.384);
    background-image:linear-gradient(to right, #FFD700, #ffd900a1, #ffd90000);
    text-indent:10px;
    border-radius: 20px;
    font-size: 2em;
    font-weight: bolder;
}

h3.subtitulos{
    font-size: 1.5em;
    font-family:'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
    color: #faba30de;
    text-shadow: 1px 1px 1px black;
    padding-top: 20px;
    text-indent: 10px;
}

strong.yellow{
    color: #FFD700;
    font-weight: bolder;
    font-size: 1em;
}

div > p{
    padding: 10px;
}

div > img{
    width: 100%;
}

div.exemplo{
    height: 220px;
    background-image:url(../imagens/variavel-cell.png);
    background-repeat: no-repeat;
    background-attachment: cover;
    background-position: center center;
}

article{
    padding: 50px;
    padding-top: 20px;
    padding-bottom: 20px;
}

li.operators{
    
    text-indent: 20px;
    list-style-position: inside;
}

.containercalc{
    display: flex;
    align-items: center;
    justify-content: center;
}

.containercalc > div.childrencalc{
    background-color: rgba(255, 255, 255, 0.062);
    width: 400px;
    border-radius: 10px;
}
.containerimgcalc{
    display: flex;
    align-items: center;
    justify-content: center;
   
   
    
}

img#calculo{
   width: 400px;
   border-radius: 20px;
}

    
    
    /*place-items: center;
    height: 50vh;
    width: 400px;
    display: grid;
    border-radius: 20px;
    margin-top: 10px;*/