File: src/views/css/styles.css

html body {
    width: 100%;
    height: 100%;
    min-height: 100vh;
    font-family: -apple-system, system-ui, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-family: 'wf_SegoeUILight', -apple-system, system-ui, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    margin: 0;
    -webkit-font-smoothing: subpixel-antialiased;
    text-rendering: optimizeLegibility;

    background: #c850c0;
    background: -webkit-linear-gradient(45deg, #4158d0, #c850c0);
    background: -o-linear-gradient(45deg, #4158d0, #c850c0);
    background: -moz-linear-gradient(45deg, #4158d0, #c850c0);
    background: linear-gradient(45deg, #4158d0, #c850c0);
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
}

@media (max-width: 480px) {
    html,
    body {
        font-size: 12px;
    }
}

@media (max-width: 768px) {
    html,
    body {
        font-size: 14px;
    }
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

.back-link {
    display: flex;
    align-items: center;
    color: #fff;
    margin-bottom: 10px;
    text-decoration: none;
}

.container {
    max-width: 960px;
    width: 100%;
    padding-right: .75rem;
    padding-left: .75rem;
    margin: auto;
    max-height: 90vh;
}

.container__full-heigth {
    height: 85vh;
}


@media (min-width: 576px) {
    .container {
        max-width: 540px;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 720px;
    }
}

@media (min-width: 992px) {
    .container {
        max-width: 960px;
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
}


.box-center{
    display: flex;
    align-items: center;
    justify-content: center;
}


table {
    border-spacing: 1;
    border-collapse: collapse;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    width: 100%;
    margin: 0 auto;
    position: relative;
}

table thead tr {
    height: 60px;
    background: #36304a;
}

table thead tr td {
    font-size: 18px;
    color: #fff;
    line-height: 1.2;
    font-weight: unset;
}

table td {
    text-align: left;
}

tbody tr {
    font-size: 15px;
    color: #808080;
    line-height: 1.2;
    font-weight: unset;
}

table tbody tr a {
    color: #808080;
    text-decoration: none;
}


table td:first-child {
    padding-left: 40px;
}

table td:last-child {
    padding-right: 40px;
}

table tbody tr {
    height: 50px;
}

tbody tr:nth-child(even) {
    background-color: #f5f5f5;
}

table tbody tr:hover {
    color: #555555;
    background-color: #f5f5f5;
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}


/*-------MAILBOX--*/

.mailbox {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    width: 100%;
    margin: 0 auto;
    position: relative;
    height: 100%;
}

.mailbox-head {
    height: 60px;
    background: #36304a;
    color: white;
    display: flex;
    align-items: center;
    padding: 0 10px;
}

.mailbox-head_title {
    margin: 0;
}

.mailbox-body {
    background: #fff;
    display: flex;
    height: 100%;
}

.mail-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    border-right: 1px solid #e8e8e8;
    padding: 10px 0;
}

.mail-preview {
    display: flex;
    flex-direction: column;
    padding: 10px;
    border-bottom: 1px solid #e8e8e8;
    cursor: pointer;
}

.mail-preview:hover {
    background-color: #f5f5f5;
}

.mail-preview_subject {
    color: #2a2a2a;
    font-size: 1rem;
}

.mail-preview_date {
    color: #a0a0a0;
    font-size: .8rem;
}

.mail-content {
    flex: 3;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.mail-recipient {
    padding: 10px;
    display: flex;
    flex-direction: column;
    color: #a0a0a0;
    font-size: .8rem;
}

.mail-recipient_list {
    color: #2a2a2a;
    font-size: 1rem;
}

.mail-attached-files {
    padding: 10px;
    display: flex;
    flex-direction: column;
    color: #a0a0a0;
    font-size: .8rem;
}

.files-list {
    color: #2a2a2a;
    font-size: 1rem;
    display: flex;
    margin-top: 8px;
}
.file-item{
    border-radius: 5px;
    padding: 5px 8px;
    margin-right: 5px;
    background-color: #efefef;
    display: flex;
}

.file-name{

}
.file-size{
    font-size: 0.8rem;
    border-radius: 3px;
    padding: 3px 5px;
    background-color: green;
    color: white;
    margin-left: 5px;
}

.mail-frame {
    border: none;
    width: 100%;
    height: 100%;
}


.mr-2{
    margin-right: 1rem;
}

.btn-success:hover {
    color: #74b666;
}

.btn-danger:hover {
    color: #d93c3c;
}

.hide{
    display: none;
}