@import url('https://fonts.googleapis.com/css2?family=Comfortaa:wght@600&display=swap');

:root {
    --white: rgb(213, 241, 255);
    --light-aqua: rgb(185, 252, 252);
    --dark-aqua: rgb(0, 110, 110);
    --black: rgb(22, 22, 22);
    --dark-hotpink: rgb(151, 0, 76);
    --dark-yellow: rgb(87, 87, 1);
}

* {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}

body {
    color: var(--black);
    margin: 0 auto;
    font-family: 'Comfortaa', sans-serif;
    font-size: 1.8rem;
    background-color: rgba(213, 241, 255, 0.6);
    background-image: url('./pics/squiggles.png');
    background-blend-mode: lighten;
}

.container {
    width: 400px;
    height: 600px;
    border: 7px solid var(--dark-aqua);
    border-radius: 13px;
    margin: 2em auto 0 auto;
    background-color: var(--light-aqua);
    text-align: center;
    align-items: center;
    justify-content: center;
    padding: .5em;
}

.display {
    border: 2px solid var(--dark-aqua);
    display: flex;
    border-radius: 13px; 
    height: 1.7em;
    width: 325px;
    height: 2em;
    margin: 1em auto 0 auto;
    justify-content: left;
    padding: .2em;
    background-color:var(--dark-aqua);
    color: var(--white);
}

.display__clear {
    padding: .3em;
    border-radius: 7px;
    text-align: center;
    /*border: 2px solid var(--dark-yellow);*/
    background-color: rgb(250, 250, 126);
    height: 1.5em;
    width: 1.5em;
    font-size: 1.7rem;
    cursor: pointer;
    color: var(--black);
}

.display__inner {
    height: 1.7em;
    width: 10em;
    text-align: left;
    font-size: 1.7rem;
    padding: .3em;
}

.buttonsContain {
    display: flex;
    margin: 0 auto;
    text-align: center;
    align-content: center;
    margin: 0 auto;
}

.buttons {
   /*border: 2px solid var(--dark-aqua);*/
    display: flex;
    flex-wrap: wrap;
    flex: 1 1 100%;
    border-radius: 13px; 
    margin-left: .9em;
    background-color:var(--dark-aqua);
    padding: .3em;
    margin: 25px 25px 0 25px;
    font-size: 1.9rem;
}

.buttons__operands {
    /*border: 2px solid var(--dark-aqua);*/
    border-radius: 13px; 
    margin: 25px 25px 0 25px;
    padding: .3em;
    height: 300px;
    background-color:var(--dark-aqua);
}

.buttons__round {
    border: 2px solid var(--dark-aqua);
    border-radius: 50%; 
    margin: 10px auto 0 auto;
    padding: 10px;
    width: 2em;
    height: 2em;
    background-color: aqua;
    cursor: pointer;

}
.operands__round {
    /*border: 2px solid var(--dark-hotpink);*/
    border-radius: 50%; 
    margin: 10px auto 0 auto;
    padding: 10px;
    width: 2em;
    height: 2em;
    background-color: hotpink;
    cursor: pointer;
}