* {
    margin: 0;
    padding: 0;
}

html, body, main, header {
    width: 100%;
}

header {
    display: flex;
    justify-content: left;
    align-items: center;
    /*height: 30px;*/
    /*border-bottom: 1px solid #e5e5e5;
    box-shadow: 0 .25rem .75rem rgba(0, 0, 0, .5);*/
    margin-top: 9px;
    padding: 0px 10px;
    position: fixed;
    top: 0px;
    left: 0px;
    z-index: 1;
}
header > p {
    margin-right: 15px;
    background-color: rgb(180, 180, 180);
    border-radius: 5px;
    padding: 2px 10px;
    cursor: pointer;
}
header > select {
    margin-right: 15px;
    background-color: rgb(180, 180, 180);
    border-radius: 5px;
    border: none;
    padding: 2px 10px;
    cursor: pointer;
}

section {
    /* border: solid; */
    border-bottom: 1px solid #e5e5e5;
    box-shadow: 0 .25rem .75rem rgba(0, 0, 0, .5);
    margin: 15px 10px;
}
section:first-of-type {
    margin-top: 40px;
}

.section-full-data {
    position: absolute;
    margin: 5px;
    color: white;
    background-color: black;
}

.main-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}
.main-section > img {
    width: 100%;
    max-width:600px;
}
.main-section > canvas {
    width: 50%;
    max-width:900px;
}

.section-description {
    padding: 4px 6px;
}
.section-btns {
    display: flex;
    justify-content: left;
    align-items: center;
    flex-wrap: wrap;
}
.section-function-btn {
    margin: 5px;
    background-color: rgb(180, 180, 180);
    border-radius: 5px;
    padding: 2px 10px;
    cursor: pointer;
    /*width: fit-content;
    block-size: fit-content;*/
}
/* .mycontainer > div {
width:33%;
} */