.content {
    width: 44%;
    margin: 4rem auto 0;
    padding: 1.5rem 2rem;
    background-color: #fff;
    position: relative;
}

.mask {
    width: 100%;
    height: 100vh;
    position: fixed;
    left: 0;
    background-color: #00000057;
    display: none;
    z-index: 99;
}

.content p {
    margin-top: 1rem;
    color: #060305;
    font-size: 1rem;
}

.content input {
    height: 2rem;
    border: 1px solid #060305;
    width: 100%;
    border-radius: 4px;
    padding-left: 1rem;
}
.content span {
   line-height: 2rem;
}

.content button {
    height: 2rem;
    border: 0;
    width: 50%;
    margin: 2rem 25% 0;
    border-radius: 4px;
    background-color: #b81719;
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 2px;
    padding-left: 2px;
    cursor: pointer;
}

#change2,#change3 {
    display: none;
}