body {
    font-family: sans-serif;
    background-color: #f3f6fa;
}
h1 {
    border-top: 5px solid black;
    border-bottom: 5px solid black;
    padding: 5px;
}
h1,h2,h3,h4 {
    text-align: center;
}

.container {
    max-width: 750px;
    margin: 0px auto;
    background-color: white;
    padding: 10px 40px 30px 40px;
    box-shadow: 0 1px 1px rgba(0, 0, 0, .05);
    border: 1px solid rgba(0, 0, 0, .125);
}

@media (max-width: 750px) {
    body {
        margin: 0px;
    }
    .container {
        padding: 5px 15px 15px 15px;
    }
}

.form-group {
    margin-bottom: 1rem;
    margin: 0px auto;
}

.form-row {
    display: flex;
    flex-wrap: nowrap;
    justify-items: center;
    justify-content: center;
}

.form-col {
    margin: 5px;
    flex: 1;
}

label {
    display: inline-block;
    margin-bottom: .5rem;
}

input {
    padding: .375rem .75rem;
    width: calc(100% - 24px);
    max-width: 100%;
}

.col-remove {
    min-width: 30px;
    max-width: 30px;
}

.col-remove button {
    width: 30px;
    height: 30px;
}

.col-isp {
    min-width: 70px;
}

@media (max-width: 525px) {
    .col-isp {
        display: none;
    }
}

.col-data {
    min-width: 100px;
    max-width: 100px;
}

.col-total {
    min-width: 100px;
    max-width: 125px;
}


input, button {
    color: #495057;
    border: 1px solid #ced4da;
    border-radius: .25rem;
    display: block;
    margin-bottom: 10px;
}

button {
    padding: 5px;
    width: 100%;
}