@mixin modal() {
    position: relative;
    top: 50%;
    -webkit-transform: perspective(1px) translateY(-50%);
    -ms-transform: perspective(1px) translateY(-50%);
    transform: perspective(1px) translateY(-50%);
    box-sizing: border-box;
    background: white;
    margin: 0 auto;
    border-radius: 4px;
    box-shadow: 2px 3px 12px 0px rgba(83, 86, 88, 0.50);
    max-width: calc(100% - 32px);
    max-height: calc(100% - 23px);
    display: flex;
    flex-direction: column;
}

.modal-container {
    position: fixed;
    z-index: 1000;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(13, 30, 48, 0.4);
    -webkit-transform-style: preserve-3d;
    -moz-transform-style: preserve-3d;
    transform-style: preserve-3d;
    display: none;

    .modal-dialog {
        @include modal();
        width: 420px;
        min-height: 200px;
        text-align: center;
    }

    .modal-small {
        @include modal();
        width: 620px;
        height: 480px;
    }

    .modal-medium {
        @include modal();
        width: 820px;
        height: 640px;
    }

    .modal-large {
        @include modal();
        width: 1020px;
        height: 640px;
    }

    .modal-header {
        height: 56px;
        line-height: 56px;
        font-size: 18px;
        font-weight: 500;
        text-align: center;
        border-bottom: 1px solid $grey-3;
        width: 100%;
        display: block;
        flex: 0 0 auto;
        color: $black;
        position: relative;
        
        .modal-header-close{
            opacity: .5;

            &::before {
                font-family: 'dvla-icons';
                content: '\e90d';
                position: absolute;
                right: 16px;
            }
            &:hover {
                opacity: 1;
                cursor: pointer;
            }
        }
    }

    .modal-content {
        padding: 40px;
        overflow-y: scroll;
        flex: 1 1 auto;
    }

    .modal-footer {
        bottom: 0;
        left: 0;
        right: 0;
        height: 64px;
        line-height: 64px;
        text-align: center;
        border-top: 1px solid $grey-3;
        width: 100%;
        display: block;
        flex: 0 0 auto;
        padding: 0 40px;
    }
}