.quenpass-contents {
    height: 450px;
    width: 80%;
    margin: 13% 15% 10% 15%;
}
.quenpass-contents img {
    float: left;
    margin-right: 49px;
}

.title-quenpass {
    text-align: center;
    font-size: 18px;
    line-height: 1.5em;
}

.quenpass-content input {
    height: 40px;
    width: 50%;
    margin-left: 15px;
    border-radius:10px ;
}
.quenpass-end {
    display: flex;
    margin-right: 13%;
}