* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    margin: 20px;
    background: linear-gradient(lightblue, rgb(19, 19, 255));
    background-repeat: no-repeat;
    background-size: cover;
    min-height: 100vh;
}

header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    justify-items: center;
    align-items: center;
    align-content: center;
    background: linear-gradient(rgb(60, 60, 255), blue, rgb(46, 46, 255));
    border: 1px solid rgba(0, 0, 228, 0.555);
    box-shadow: 5px 5px 15px -9px #000000;
}

.left h1 {
    font-size: 15px;
    margin: 10px;
    color: white;
    word-break: break-all;
}

.right ul {
    list-style: none;
    cursor: default;
    color: white;
    user-select: none;
    flex-wrap: wrap;
    justify-content: flex-end;
}
.right li {
    display: inline-block;
    padding: 10px;
    border-radius: 2px;
}
.right li:hover {
    background: linear-gradient(rgba(255, 255, 255, 0.397), rgba(170, 170, 170, 0.479));
    color: black;
    cursor: pointer;
}
.right #close:hover {
    background: linear-gradient(rgba(255, 79, 79, 0.747), rgba(189, 0, 0, 0.89));
    color: black;
    cursor: pointer;
}

.maincard {
    background-color: rgb(156, 156, 156);
    border-radius: 3px;
    padding: 10px;
    box-shadow: 5px 5px 15px -9px #000000;
    width: 100%;
}

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

label, #confirm {
    margin: 10px;
}

.maincard h2 {
    color: blue;
}

#tasktitle {
    padding: 5px;
}

input:focus {
    outline: none;
}

#confirm {
    border: none;
    font-size: 15px;
    background: linear-gradient(white, rgba(173, 216, 230, 0.61));
    padding: 5px;
    border-radius: 5px;
    border: 1px solid rgba(0, 0, 255, 0.603);
}
#confirm:hover {
    opacity: 0.6;
    cursor: pointer;
}

#items {
    background-color: rgb(156, 156, 156);
    padding: 15px;
    box-shadow: 5px 5px 15px -9px #000000;
}

#items h3 {
    color: white;
    margin: 5px;
}

.itemcard {
    background-color: white;
    padding: 10px;
    margin-bottom: 15px;
    box-shadow: 5px 5px 15px -9px #000000;
}

.check {
    border: none;
    font-size: 12px;
    background: linear-gradient(rgba(128, 255, 111, 0.274), rgba(6, 167, 0, 0.685));
    padding: 5px;
    border-radius: 5px;
    border: 1px solid rgba(0, 0, 255, 0.603);
}
.check:hover {
    opacity: 0.6;
    cursor: pointer;
    transform: scale(1.1)
}

.remove {
    border: none;
    font-size: 12px;
    background: linear-gradient(rgba(255, 111, 111, 0.274), rgba(167, 0, 0, 0.685));
    padding: 5px;
    border-radius: 5px;
    border: 1px solid rgba(0, 0, 255, 0.603);
}
.remove:hover {
    opacity: 0.6;
    cursor: pointer;
    transform: scale(1.1)
}

#done {
    background-color: rgb(156, 156, 156);
    padding: 25px;
    color: white;
}

#done h4 {
    color: green;
    padding: 5px;
    background-color: white;
    display: inline-block;
    margin: 5px;
    border-radius: 3px;
}

@media only screen and (max-width: 600px) {
    form {
        display: block;
    }
    input {
        width: 100%;
    }
}