:root {
--antique-filter: url("stamp_mask_02.png");
}

* {
    box-sizing: border-box;
}

body {
    background-color: papayawhip;
    background-image: url("papyrus_bg.png");
    font-family: Papyrus, fantasy;
}

ul {
    list-style-type: none;
    margin-top: 0px;
    margin-bottom: 0px;
}

summary {
    margin-left: 30px;
}


input[type="checkbox"] {
    accent-color: #853b1b;
}

#main-container {
    max-width: 800px;
    margin: 30px auto;
    padding: 50px;
    padding-top: 3px;
    padding-bottom: 80px;
    background:  url("papyrus_plant_pattern_05.png") bottom repeat-x, rgba(255, 255, 255, 0.699);
    background-size: 50px;
    min-height: 100%; 
    position: relative;
    border: 10px solid rgb(220, 202, 102); 

            -webkit-mask-size: contain;
    mask-size: contain;
    -webkit-mask-image: var(--antique-filter);     
    -o-mask-image: var(--antique-filter);
    -moz-mask-image: var(--antique-filter);
    -ms-mask-image: var(--antique-filter);
    mask-image: var(--antique-filter);
}

.column {
    float: left;
    padding: 10px;
}

.left {
    width: 50%;
}

.right {
    width: 50%;
}

/* Clear floats after the columns */
#main-container::after {
    content: "";
    clear: both;
    display: table;
}

#main-container::before{
    content: '';
    position: absolute;
    top: -15px;
    left: -15px;
    right: -15px;
    bottom: -15px;
    border: 10px solid rgb(147, 56, 6);
    z-index: -1;
}

button{
    font-family: Papyrus, fantasy;
    font-size: 20px;
    background-color: transparent;
    border: 6px solid transparent; 
    position: relative;
    z-index: 0;
}

button:hover {
    background-color: rgba(255, 255, 255, 0.699);
}

button:active {
    border: 6px solid #09973f;
}

button::after{
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 5px solid rgb(147, 56, 6);
    z-index: -1;
}

button:hover::after{
    content: '';
    position: absolute;
    top: -12px;
    left: -12px;
    right: -12px;
    bottom: -12px;
    border: 5px solid #09973f;
    z-index: -1;
}



select{
    font-family: Papyrus, fantasy;
    font-size: 17px;
    background-color: transparent;
    border: 5px solid rgb(147, 56, 6); 
    position: relative;
    z-index: 0;
}