cssOMS/input.scss

input, select, textarea, .textarea {
    border: 1px solid var(--input-border);
}

progress {
    height: 20px;
    width: 100%;
    min-width: 150px;
}

.textarea,
.tag-input,
textarea,
select,
input[type="password"],
input[type="text"],
input[type="datetime"],
input[type="email"],
input[type="date"],
input[type="number"],
input[type="datetime-local"] {
    box-sizing: border-box;
    color: var(--input-color);
    background: var(--input-background);
    width: 100%;
    height: 2rem;
    min-width: 70px;
    max-width: 100%;
    padding: 7px;
    font-size: 1rem;
    border: 1px solid var(--input-border);
    transition: background 0.3s, border 0.3s;

    &:focus, .active, &:active {
        border-color: var(--input-background-active);
        border: 1px solid var(--input-border-active);
        color: var(--input-color-active);
    }

    &:disabled {
        background: #efefef;
    }
}

.inputWrapper {
    display: flex;
    flex-direction: row;

    .textWrapper+input[type=submit], .textWrapper+input[type=button], .textWrapper+button {
        background: var(--button-colored-background);
        color: var(--text-on-background-color-2);
        margin: 0;
        padding: 0;
        flex: 0;
        height: auto;
        border: none;
        box-shadow: none;

        &:hover {
            background: var(--button-colored-background-hover);
        }
    }

    .textWrapper {
        flex: 1;
        position: relative;

        input {
            padding-left: 2rem;
        }

        .frontIcon, .endIcon {
            color: var(--input-icon-color);
            font-size: 1.1rem;
            position: absolute;
            top: 0;
            padding: .6rem .6rem .6rem .4rem;
        }

        .frontIcon {
            left: 0;
        }

        .endIcon {
            right: 0;
        }

        input[type=text]:active, input[type=text]:focus,
        input[type=password]:active, input[type=password]:focus {
            border: 1px solid var(--input-border-active);
        }

        input[type=text]:active~.frontIcon, input[type=text]:focus~.frontIcon,
        input[type=password]:active~.frontIcon, input[type=password]:focus~.frontIcon,
        input[type=text]:active~.endIcon, input[type=text]:focus~.endIcon,
        input[type=password]:active~.endIcon, input[type=password]:focus~.endIcon {
            color: var(--input-icon-color-active);
        }

        input[type=text]~.endIcon, input[type=text]~.endIcon,
        input[type=password]~.endIcon, input[type=password]~.endIcon {
            cursor: pointer;
        }
    }
}

.advancedInput {
    position: relative;
}

input ~ .dropdown {
    position: absolute;
    display: none;
    z-index: 3;
}

input:focus ~ .dropdown, input ~ .dropdown.active {
    display: inline-block;
}

select {
    cursor: pointer;
    padding: 0 7px 0 7px; /* overwrites input padding: 7px. don't know why i have to do this! */
}

option {
    line-height: 1rem;
}

input[type="file"] {
    border: 1px solid var(--input-border-active);
    width: 100%;
    max-width: 100%;
    color: var(--input-color);
    padding: 10px;
    box-sizing: border-box;
}

input::placeholder {
    color: var(--input-icon-color);
    opacity: 0.5;
}

input::placeholder, textarea {
    font-family: 'FontAwesome', serif;
}

input:invalid {
    transition: all 0.5s;
    border-color: #f00;
}

textarea, .textarea {
    overflow: auto;
    resize: both;
    min-height: 100px;
   box-sizing: border-box;
}

span.checkbox, span.radio {
    -moz-user-select: none;
    -ms-user-select: none;
    -webkit-user-select: none;
    user-select: none;

    label {
        cursor: pointer;
    }
}

span.checkbox input[type="checkbox"], span.radio input[type="radio"] {
    position: relative;
    vertical-align: middle;
    bottom: 1px;
    margin-right: 5px;
    cursor: pointer;
}

input[type="range"] {
    border: none;
    width: 100%;
    min-width: 150px;
    cursor: pointer;
}

.input {
    width: 100%;
    min-width: 120px;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;

    button {
        box-sizing: border-box;
        display: inline-block;
        background: var(--input-border-active);
        height: 2rem;
        font-size: 1rem;
        min-width: 40px;
        border-left: solid 1px var(--input-border);
        border-top: solid 1px var(--input-border);
        border-bottom: solid 1px var(--input-border);
        border-right: none;
        padding: 0;

        position: relative;
        vertical-align: middle;
        flex-grow: 0;
        flex-shrink: 0;

        &:hover {
            background: var(--input-border-active);
        }
    }

    i {
        position: relative;
        vertical-align: middle;
    }

    input {
        box-sizing: border-box;
        font-size: 1rem;

        position: relative;
        vertical-align: middle;
        flex-grow: 1;
        flex-shrink: 1;
    }
}

select.plain {
    width: auto;
    margin: 0;
    padding: 0;
    border: none;
    outline: none;
    display: inline-block;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    cursor: pointer;
    box-shadow: none;
}