section#main_section {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    color: #fff;
}

.input-item {
    display: block;
    width: 380px;
    margin-bottom: 10px;
    border: 0;
    padding-top: 5px;
    padding-bottom: 6px;
    border-bottom: 1px solid rgb(128, 125, 125);
    font-size: 15px;
    outline: none;
}

.input-item:placeholder {
    text-transform: uppercase;
}

.btn {
    border: none;
    text-align: center;
    padding: 10px;
    width: 100%;
    margin-top: 20px;
    color: #fff;
    //background-image: linear-gradient(to right, #a6c1ee, #fbc2eb);
    background-image: linear-gradient(120deg, #76daec 0%, #c5a8de 100%);
}

.btn:hover {
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

.msg {
    text-align: center;
    line-height: 88px;
}

#notice {
    display: block;
    text-align: center;
    color: red;
}