* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body,html {
    height: 100%;
    overflow: hidden;
}

.matrix {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.container {
    
background: rgb(0, 0, 0);
background-color: rgb(0, 0, 0);
 /*opacity: 0.5;*/
  height: 10%;
}

.chat-header {
    background-color: #2b2b2b;
    color: white;
    padding: 15px;
    text-align: center;
}

.chat-content {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
    background-color: #f0f0f0;
}

.message {
    padding: 10px 15px;
    margin: 10px 0;
    border-radius: 15px;
    max-width: 80%;
}

.left {
    background-color: #2b2b2b;
    color: white;
    align-self: flex-start;
}

.right {
    background-color: #d9fdd3;
    align-self: flex-end;
}

.chat-input {
    display: flex;
    padding: 15px;
    background-color: #ffffff;
    border-top: 1px solid #e0e0e0;
}

.chat-input input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 20px;
    outline: none;
}

.chat-input button {
    background-color: #2b2b2b;
    color: white;
    border: none;
    padding: 10px 20px;
    margin-left: 10px;
    border-radius: 20px;
    cursor: pointer;
}

.chat-input button:hover {
    background-color: #444;
}

h1,h2,p {
    color: #ffffff;
    opacity: 1;
}

.main-tittle {
 font-family: "Ubuntu", sans-serif;
 font-weight: 700;
 font-size: 64px;
 margin-left: 3%;
vertical-align: middle;
 font-style: normal;
 display: inline;

}

.txt {
   width: 90%;
   margin: 0 auto;
   padding: auto;
   background: rgba(0, 0, 0, 0.747);
   background-color: rgba(0,0,0,0.747);
}

.logo {
    vertical-align: middle;
}