.succ {
    width: 600px;
    min-height: 70px;
    background-color: #181818;
    color: #ffffff;
    position: relative;
    border-radius: 15px;
    margin-bottom: 10px;
}

.succ p {
    width: calc(100% - 110px);
    float: right;
    margin: 10px 20px 10px 0px;
}

.succ::before {
    content: '';
    position: absolute;
    background-image: url("../images/succ-logo.png");
    background-repeat: no-repeat;
    background-size: contain;
    width: 50px;
    height: 50px;
    top: 50%;
    left: 20px;
    transform: translateY(-50%);
}

.err {
    width: 600px;
    min-height: 70px;
    background-color: #181818;
    color: #ffffff;
    position: relative;
    border-radius: 15px;
    margin-bottom: 10px;
}

.err p {
    width: calc(100% - 110px);
    float: right;
    margin: 10px 20px 10px 0px;
}

.err::before {
    content: '';
    position: absolute;
    background-image: url("../images/err-logo.png");
    background-repeat: no-repeat;
    background-size: contain;
    width: 50px;
    height: 50px;
    top: 50%;
    left: 20px;
    transform: translateY(-50%);
}

@media screen and (max-width: 850px) {
    .succ {
        width: 90%;
}
    .err {
        width: 90%;
    }
}