* {
    padding: 0;
    margin: 0;
}
.main-title {
    text-align: center;
    margin-bottom: 2em;
}
ul {
    list-style: none;
    width: 1000px;
    margin: 0 auto 2em;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    padding: 0;
}
li {
    width: 300px;
    border: 1px solid #ddd;
    margin: 10px;
    padding: 1.5em;
}
li > .item-title {
    margin-bottom: 2em;
}
.input-container {
 width: 1000px;   
 margin: 1em auto;
}
.control-wrapper {
    display: flex;
    align-items: center;
    width: 100%;
    margin: 0 0 1em;
}
label {
    margin-right: 1em;
}
input, textarea {
    flex-grow: 1;
    padding: 0.5em 1em;
}
textarea {
    display: block;
    width: 100%;
    height: 15em;
}
button {
    display: block;
    padding: 0.5em 1em;
    width: 100%;
}