COSTHA January 2026 Membership Meetings

body, html { margin: 0; padding: 0; font-family: 'Open Sans', sans-serif; overflow: hidden; } * { box-sizing: border-box; } .container-404 { background: url('https://costha.idloom.events/images/manager/errors/ConferenceRoom_optimized.jpg'); background-repeat: no-repeat; background-size: cover; height: 120%; width: 100%; position: relative; background-position: 0% 50%; z-index: 9999999; position: absolute; top: 0; left: 0; right: 0; bottom: 0; } .content-404 { background: rgba(255, 255, 255, 0.97); text-align: center; width: 600px; position: absolute; top: 50%; left: 50%; margin-left: -300px; margin-top: -230px; border-radius: 2px; box-shadow: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23); color: #454545; padding: 15px 30px; animation: fadein .8s ease-out 1; animation-fill-mode: forwards; animation-delay: 0.1s; } .logo-idloom-404 { position: relative; top: 0px; opacity: 0; animation: position .5s ease-out 1; animation-fill-mode: forwards; animation-delay: 0.2s; } .logo-idloom-404 img { width: 180px; max-width: 100%; } .content-404 h2 { font-size: 18px; margin: 40px 0; position: relative; top: 0px; opacity: 0; animation: position .5s ease-out 1; animation-fill-mode: forwards; animation-delay: 0.4s; } .content-404 h3 { position: relative; top: 0px; opacity: 0; animation: position .5s ease-out 1; animation-fill-mode: forwards; animation-delay: 0.6s; font-size: 16px; margin-top: 40px; } .content-404 a { text-decoration: none; color: white; } .content-404 h3>a, .content-404 p>a { color: #1ebae2; } .content-404 h3>a:hover, .content-404 p>a:hover { color: #1094b5; } .content-404 .btn-back-404 { max-width: 180px; width: 80%; padding: 10px 5px; border-radius: 2px; box-shadow: 4px 4px 8px rgba(0, 0, 0, 0.16), 3px 4px 18px rgba(0, 0, 0, 0.23); margin: auto; display: block; margin-bottom: 40px; transition: all .2s ease-out; border: 1px solid #1ebae2; position: relative; z-index: 2; overflow: hidden; top: 0px; opacity: 0; animation: position .5s ease-out 1; animation-fill-mode: forwards; animation-delay: 0.8s } .content-404 .btn-back-404:hover { box-shadow: 0 0px 0px rgba(0, 0, 0, 0.16), 0 0px 0px rgba(0, 0, 0, 0.23); z-index: 10; color: #38B4C6; } .content-404 .btn-back-404 span { font-size: 14px; font-weight: 600; color: #bef1ff; transition: all .2s ease-out; } .content-404 .btn-back-404:hover span { color: #0b99bd; } .content-404 p { color: #909090; position: relative; top: 0px; opacity: 0; animation: position .5s ease-out 1; animation-fill-mode: forwards; animation-delay: 1s } .btn-back-404::before { content: ''; position: absolute; z-index: -1; -webkit-transition: all .4s cubic-bezier(0.29, 0.76, 1, 1); transition: all .4s cubic-bezier(0.29, 0.76, 1, 1); width: 110%; height: 600%; top: 50%; left: 50%; background: #1ebae2; opacity: 1; -webkit-transform: translateX(-50%) translateY(-50%) rotate(-45deg); transform: translateX(-50%) translateY(-50%) rotate(-45deg); } .btn-back-404:hover::before { height: 0%; opacity: .1; } @keyframes fadein { from { opacity: 0; top: 53%; } to { opacity: 1; top: 50%; } } @keyframes position { from { opacity: 0; top: 10px; } to { opacity: 1; top: 0; } } @media screen and (max-width: 1680px) { .container-404 { background: url('https://costha.idloom.events/images/manager/errors/ConferenceRoom1680_optimized.jpg'); background-repeat: no-repeat; background-size: cover; background-position: 0% 50%; } } @media screen and (max-width: 640px) { .content-404 { width: 380px; margin-left: -190px; margin-top: -180px; padding: 15px 10px } .content-404 h2 { margin: 20px 0; font-size: 20px; } .content-404 h3 { font-size: 16px; } .logo-idloom-404 img { width: 140px; } .content-404 .btn-back-404 { margin-bottom: 20px; } } @media screen and (max-width: 375px) { .content-404 { width: 300px; margin-left: -150px; } .container-404 { background-position: 20% 50%; } }

For full functionality of this site it is necessary to enable JavaScript.

Here are the instructions how to enable JavaScript in your web browser.

If the problem persists, please contact your system administrator.

COSTHA January 2026 Membership Meetings

January 27 (Tuesday)

January 28 (Wednesday)

January 29 (Thursday)

Detected timezone