body {
    padding-top: 40px;    
}
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 40px;
    padding: 10px;
    border-bottom: 3px solid #ccc;
}

    .header h1 {        
        margin: 0;        
        font-size: 21px;
        text-align: center;
    }
    
.tm-cronometro {
    position: fixed;    
    left: 0;
    width: 15%;
    height: 100%;
    padding: 15px;
    border-right: 3px solid #ccc;
    overflow: auto;
    background: #f5f5f5;
    z-index: 2;
}
    .tm-cronometro .btn {    
        width: 100%;
    }
.tm-cronometro-laptime {
    display: block;
    text-align: center;
    font-size: 25px;
    font-weight: 100;    
}
.tm-cronometro-list {
    margin-top: 25px;
    /*max-height: 250px;*/
    overflow: auto;
}

.tm-task {
    position: fixed;    
    left: 15%;
    width: 35%;
    height: 100%;
    padding: 15px 30px;
    border-right: 3px solid #ccc;
    background: #fafafa;
    overflow: auto;
}

.tm-filter {
    position: fixed;
    left: 50%;
    width: 50%;
    height: 100%;
    padding: 15px;
    overflow: auto;
}

.is-hidden {
    display: none;
}